The chaise had now passed out of the Cours la Reine and was travelling at a smart pace along the tree-shaded length of the Grand Chemin de Versailles, following the river Seine in the direction of the Barrière de la Conférence. There was a slight hold-up as they came to the massive building works around the Pont d'Iena, now nearing completion, on account of a load of stone which had been overturned at some time during the day and which was still partly blocking the road. But Gracchus, swearing like a trooper, had succeeded in circumventing the obstacle, coming perilously near overturning the chaise in the process, and, touching up the horses with a quick flourish of his whip, set them speeding towards the barrier.

It was quite dark by the time they reached the first houses of the village of Passy, a darkness rendered thicker and more menacing by the storm clouds still rolling up like billows of black smoke. No lights showed through the dense mass of bushes which overhung every gateway except for a dim, yellow glimmer from a small house tucked in beside a pair of double gates, which indicated that the porter of the sugar-beet refinery owned by the banker Benjamin Delessert was at his post. A little bit farther on, the old spring gardens of Passy, once filled with noise and animation, presented a blank, dark front, a heavy stillness in which even the trees seemed petrified.

Gracchus took a right-hand turning and edged his horses into a road ascending in a gentle slope between the Jardin des Eaux and the wall of some large property. At the far end, elegant gilt lanterns hung from black iron stanchions illumined the tall gates and twin lodges guarding the entrance to the Hôtel de Lamballe. Marianne, however, stopped her chaise half-way up the slope and told Gracchus to wait with it where he would be as far out of sight as possible. In answer to his surprised question, she said: 'I want to try and get into the house without being seen.'

'But, this morning…'

'This morning it was broad daylight and it would have been folly to attempt secrecy. It is dark now, and late, and I wish my presence in the house to remain unknown, if that is at all possible. To have it known would only result in awkwardness for everyone, and especially for Mr Beaufort.' She thought as she spoke of the jealous Pilar's reaction should she ever hear that Jason had been visited by a woman at night, in her absence, and that woman Marianne.

She saw Gracchus shift uncomfortably, not meeting her eyes, and realized that he was thinking of something quite different and believed that this was a lovers' assignation. She lost no time in explaining matters:

'Jason is in great danger tonight, Gracchus, a danger from which I alone can save him. That is why I have to go in there. Will you help me?'

'Help you save Monsieur Jason? I should just think I will!' The eagerness in his voice gave Marianne the measure of his relief. 'But it'll not be easy. The walls are high and the gates pretty stout. There is an entrance giving on to the Versailles road but…'

'I noticed this morning that there is a little door somewhere about here. Do you think you could open it?'

'What with? I've only my bare hands, an' if I try to force it—'

'With this.' As she spoke, Marianne produced a picklock from the soft, dark green silken folds of her cloak and put it into her coachman's hand. Gracchus, feeling the shape of the tool in his palm, gave vent to a muffled exclamation:

'Ah! That's the ticket. But where—'

'Hush. Never you mind,' said Marianne, who had found the implement in Jolival's little collection. Like the late king, Louis XVI, the Vicomte Arcadius had always been something of an amateur locksmith and kept a pretty little bag of tools in his room which might have laid a less respectable man open to some suspicion. 'Do you think you could open the door with that?'

'It'll be child's play – so long as it's not barred on the inside,' Gracchus assured her. 'Just you wait and see.'

'Wait! Go up to the gate quietly first and see if there are any lights in the house. And see if you can see a carriage or horses in the drive. I know Mr Beaufort was expecting a visitor at about eight, he may still be there.'

Gracchus nodded by way of an answer and taking off his hat and livery coat laid both articles inside the chaise, which he then moved to a position alongside the spa gardens where it was overhung by the branches of a huge tree. Having once made sure that the chaise was more or less invisible to anyone not actually looking for it, he turned and made his way up the road to the gates, making no more noise than a cat.

Marianne's eyes had grown sufficiently accustomed to the darkness by this time to enable her to make out the little side door. She went towards it and, having made sure that it was indeed locked, settled down in the angle of the wall to wait for Gracchus.

It was still stiflingly hot but the storm was on its way. There was a dull rumble of thunder away to the south and once a flash of still distant lightning illumined for an instant the watery ribbon of the Seine. Somewhere not far off, probably in the little church of Notre-Dame des Graces, a clock struck nine and Marianne's heart thudded in her breast in agonized counterpoint. She was beset by vague and terrible fears. What if Jason had not returned to Mortefontaine before going to Crawfurd's house? Suppose the meeting Francis had spoken of had been cancelled – or Jason had already set out, against all expectation, contrary to all Cranmere's supposed information? Suppose that tomorrow in the ditch at Vincennes…

The picture which Marianne's imagination conjured up was so real and so hideous that it was all she could do to bite back a groan. She leaned against the wall, shivering and trying to cool her burning forehead by pressing it to the cool stone. She was not yet fully recovered from her recent illness and the brutal treatment to which Chernychev had subjected her the night before had not improved matters, but at the thought of the man whom she now hated with all her heart she felt her courage revive and, fumbling for her handkerchief, began automatically wiping away the sweat which poured down her face. The cool freshness of the eau-de-Cologne which she had sprinkled liberally over it before she came out did her good, and then Gracchus was coming back.

'Well?'

'There are lights in the house,' whispered the lad. 'And there is a coach at the door, as if it's about ready to go. I caught a glimpse of someone come quickly out of the house and jump in. Listen—'

There was indeed a sound of wheels approaching. Then the creak of the gate, the hollow clop of horses' hooves and finally the dark outline of a big berline coming down the hill. Marianne and Gracchus stepped back hastily into the shelter of the doorway, although it was so dark that the driver of the berline never suspected the existence of the small door in the wall and of the two people hidden there. The coach came to the end of the road away in the direction of Versailles.

'I think all's clear now,' Gracchus murmured. 'Let's see what that tool of yours will do.'

He felt about for the lock and inserted the wire hook. There was a scrape of metal on metal, it stuck for a moment and then yielded. The bolt slid back quite easily but the door, which seemed to have been long out of use, remained firmly closed. Gracchus had to set his shoulder to it before it finally gave way, revealing a corner of the grounds. Beyond the ivy-covered tree trunks which occupied the immediate foreground, a pale blur and tall, lighted windows giving on to a row of three stone balconies showed the position of a large white house. From the centre windows, which were also the largest and most ornately decorated, a shallow stone stairway, railed with a tracery of delicate ironwork, descended in graceful twin curves to where marble nymphs reclined at ease.

Marianne's heart leapt in her breast, even before her feet had taken the first steps towards the lighted windows which told her, more clearly than any words, that Jason was at home. Thunder, closer than before, rolled overhead and Gracchus cast a quick look up at the thick roof of leaves:

'Storm's coming. It's going to rain any moment and—'

'Wait here,' Marianne commanded. 'I shall not need you. Or, better still, wait for me in the chaise. But take care to leave this door slightly ajar.'

'Sure I hadn't better come with you?'

'No. Find yourself some shelter, especially if it should come on to rain. I am in no danger here… or if I am,' she added, smiling involuntarily into the darkness, 'there will be nothing you can do to help me. Good-bye for the present.'

Without further ado, she picked up her skirts to keep them from getting caught up in the undergrowth and made her way with a light step towards the house. As she came nearer, she was able to appreciate more fully the perfect proportions and restrained elegance of the building. It was certainly a fit dwelling for a delicate and lovely lady, one of the many who had perished in the carnage of the Terror. The shallow steps, as Marianne climbed them with no more sound than a sigh, seemed made for the subtle whisper of full taffeta skirts and satin panniers…

Reaching the top of the stairs, Marianne was obliged to stop, pressing her hand to her breast to still the fluttering of her heart, which was pounding as though after a stiff climb. The middle one of the row of tall french windows was open slightly and enabled her to see into a large room, lit by branches of candles in gilt sconces set against walls hung with grey brocade. The fact that all the pictures and hangings within her field of vision seemed to be quite new suggested to Marianne that the house must have suffered during the upheavals of the Revolution. So far as she was able to see, the furniture consisted of a number of chairs, a tall bookcase filled with faded bindings and a harpsichord with old cracked varnish…