A change came over him. With an odd feeling, Holly remembered how Liza, too, had changed. She had become joyful, while this man seemed to flinch. Yet they were reacting to the same thing. It was a mystery.

Liza drew her back to the seat, keeping hold of her hand as if to say that her new friend was under her protection. Even though she was so young, her strength of will was clear. She had probably inherited it from her father, Holly thought.

He eyed Holly coldly.

‘You turn up in my compartment, and I’m expected to accept your presence with equanimity?’

‘I’m-just an English tourist,’ she said carefully.

‘I think I begin to understand. There’s a commotion further down the train. But I imagine you know that.’

She faced him. ‘Yes, I do know.’

‘And no doubt it has something to do with your sudden appearance here. No, don’t answer. I can make up my own mind.’

‘Then let me go,’ Holly said.

‘Go where?’

His tone was implacable. And so was everything else about him, she realised. Tall, lean, hard, with dark, slightly sunken eyes that glared over a prominent nose, he looked every inch a judge: the kind of man who would lay down the law and expect to be obeyed in life as well as in court.

She searched his face, trying to detect in it something yielding, but she could find no hope. She tried to rise.

‘Sit down,’ he told her. ‘If you go out of that door you’ll run straight into the arms of the police, who are examining everyone’s passports.’

She sank back in her seat. This was the end.

‘Are you a suspicious person?’ he asked. ‘Is that why Berta has vanished?’

Liza giggled. ‘No, Berta has gone along the corridor for a few minutes.’

‘She asked me to look after your daughter while she was away,’ Holly said. ‘But now you’re here-’