Who can you trust when you can’t trust yourself?

Eilish Culpepper is a forensic psychologist and studies the minds of murderers every day.

But she’s hiding a secret. Ten years ago, when she was a student at St Andrews, her best friend drowned – the death ruled a tragic accident. But Eilish has no memory of that night.

So when Eilish is invited to a university reunion at her old friend’s house, she knows she shouldn’t accept. Yet part of her needs to know what really happened –and when a sudden snowstorm strands everyone, she’s forced to confront the past …

'A "just-one-more-page" story that kept me guessing until the end.’ LISA WALKER

‘Clever, tense and twisty as hell … a must read that you’ll devour.’ SUZY ASPLEY

'A tense, claustrophobic thriller where everyone's a suspect, and no one can be trusted.' SARAH CLARKE

'Taut and thrilling – leaves you breathlessly digging for the truth until the very end.’ DEBORAH MASSON

'A gripping read for anyone who loves a thriller that gets under your skin.' Reader review ★★★★★

'Tension in every page, I couldn't put it down.' Reader review ★★★★★