The beautiful new thriller from your bestselling author of LIES

A week. Three households. One killer.

It was said to be the perfect holiday, dreamed up by Kate as the ideal way to turn 40: four best friends and their husbands and children in a luxurious villa beneath the blazing sunlight of Languedoc-Roussillon.

But there is trouble in heaven. Kate suspects that her hubby is definitely having an affair, and that the other woman is among her close friends.

Among these women is normally ready to sacrifice years of companionship and ruin her family. But which? As Kate closes in on the reality in the stifling Mediterranean high temperature, she realises too late that this stakes are far higher than she ever imagined.

Because someone in the villa is prepared to eliminate to maintain their secret hidden.