On a hot August day in 1994, 76 holidaymakers are ferried to an uninhabited island off the North Norfolk coast. Only 75 return alive. A young man has been stabbed and left to bleed to death in the island's surf. The case is never solved.Twenty years later, North Norfolk's new chief constable decides the murder is ripe for a re-evaluation using state-of-the-art forensics. A bloodsoaked towel has been kept in storage, and laboratory tests reveal the blood is the victim's, but there are traces of someone else's DNA. DI Peter Shaw is in charge of the case and summons all 75 original suspects to a mass DNA screening.But one of them is unable to attend. Beautiful Marianne Osbourne is found dead in her bed, a wartime cyanide pill lodged in her throat. Is there a link to the 1994 murder?

Then forensics come up with a DNA result no one could have predicted, and DI Shaw and DS Valentine find themselves immersed in the dark secrets of an isolated community amidst the stunning landscape of the desolate Norfolk coast.

Genre: Mystery