Her passport, which he’d asked her to bring to London, is beneath the note. She doesn’t want to go to Brittany. She wants to get out of here, back to Wiltshire, to Bex’s house, where she feels safe. The events of last night have left her shaken, disorientated. She reads Rob’s note again, the breezy tone, written as if nothing happened. But then she thinks of the strange man lying on the bed, the shock and the nausea. She tried so hard, wanted to believe in Rob, in the two of them, but she was being naive, wishful, by avoiding the sight of his face all evening. Denying her eyes, her most reliable sense.

She spots the phone and picks it up. At least there’s a dial tone. She calls Jake’s number, but the line doesn’t connect. She tries Bex’s, but it’s the same. No outgoing calls. She searches for her mobile phone, but she can’t find it anywhere. Has Rob taken it?

Ten minutes later, she’s showered and changed, filled with a deepening unease. She’s still trapped in this apartment and she’s not convinced it’s for her own safety. She’s about to brush her hair when she hears the front door open. Her whole body stiffens. It’s like a repeat of last night.

She creeps out of the bathroom into the main room, turns on the lights and sees… Ajay. He is standing inside the front door, wearing his usual dark-blue suit and holding an attaché case, bigger than the one he normally brings to their meetings.

‘Thank God it’s you, Ajay,’ she says, with a loud sigh of relief.

‘I’m sorry, I was told to let myself in,’ he says apologetically, glancing at the hairbrush still in her hand.

‘By Rob?’ she asks.

Ajay nods, walking over to the kitchen table. Rob would have been worried by her behaviour, would have told him to visit her again.

‘I tried ringing you last night,’ she says, watching Ajay as he puts his case down beside the kitchen stool. His manner is subdued today; there’s no sign of his usual bonhomie. Something’s not right. ‘You were engaged.’

‘I’m sorry. Was there a problem?’ he asks.

‘Yes, there was,’ she says, trying not to revisit the events of last night. ‘I don’t think I have Capgras.’

‘As I think I said yesterday, it’s a very rare condition and I’d be surprised if you—’

‘I saw him on the other side,’ she interrupts. ‘In my right field of vision, not my left. And it wasn’t Rob.’ She moves her head from side to side, trying to reinforce her words. ‘If I had Capgras, I would only see a double on my left, isn’t that what you said?’

Ajay looks at her. Is it pity in his eyes? For a second she thinks it might be fear.