When the body of a red-haired young man is washed up on the shore of the beautiful Isle of Mull Detective Superintendent Lorimer's tranquil holiday away from the gritty streets of Glasgow is rudely interrupted The body has been bound with twine in a ghoulishly unnatural position & strongly reminds Lorimer of another murder a twenty year old Glasgow case that he failed to solve as a newly fledged detective constable & which has haunted him ever since As local cop DI Stevie Crozier takes charge of the island murder investigation Lorimer tries to avoid stepping on her toes But as the similarities between the young man's death & his cold case grow more obvious Lorimer realises that there could be a serial killer on the loose after all these years As the action switches dramatically between the Mull murder & the Glasgow cold case twenty years earlier Lorimer tries desperately to catch a cold-hearted killer Has someone got away with murder for decades?