A stingingly brilliant new psychological thriller from the 5 million copy-bestselling author of Here to Stay and The Magpies

"I loved this brilliant, edgy, character driven thriller with a passion. So clever and fresh with a wild and incredibly satisfying twist at the end." Lisa Jewell

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Summer 1999. Will joins five other idealistic graduates working for an eccentric psychology professor. They're going to launch a website to change online dating forever.

No-one expects it to end in tragedy.

Twenty-five years later, Will gets an invitation: a dinner party. A chance to see the old gang again.

But as soon as he arrives, something doesn't seem right.

There's an unexpected guest. The hosts are clearly keeping a secret. And on the way in, Will is sure he heard crying.

Everyone has something to hide about what really happened that summer.

But only one of them is willing to kill to find the truth...

PRAISE FOR MARK EDWARDS
'I kept wanting to tear my eyes away but had to keep reading' IAN RANKIN
'Edwards is at the top of his game' ERIN KELLY
'Twisting and terrifying, the kind of haunting, pacy, spine-chiller that Mark Edwards is the absolute master of.' CHRIS WHITAKER
'I was hooked by this clever, fast paced and addictive thriller... I loved it' CLAIRE DOUGLAS
'Fast-paced and twisted: it's another Mark Edwards sensation' CLARE MACKINTOSH