The gripping new thriller from the Sunday Times bestselling author of Lie with Me.

'A mesmeric, fast-paced rollercoaster of a read with a killer twist' LISA JEWELL
'An author in her prime' JENNIE GODFREY
'No one captures the deadly foibles of the middle classes better than Sabine Durrant.’ ERIN KELLY

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It's the hottest summer on record.

You'd planned to be in the south of France with your sister but your holiday has been cancelled.

So now you're stuck in London.

And then one evening you meet a man who offers to drive you to France. Go see your sister, he urges. Surprise her!

Soon you're on the road with him. But the further south you drive, the more you start to worry.

Who is this man really?

Why does he seem to know so much about you and your sister?

And most importantly, how much danger are you in?