The ever-lovable Esme Forsyth has taken desperate steps to save her late father's reputation. But she never suspected someone would try to murder her for it. Luckily, a handsome and braw Highlander offers his protection. In fact, he insists. But he's not just brave, he's nosey. And if he solves too many mysteries before they reach landfall, he might solve her right out of the safe and pleasant life that awaits her.

Tremayne Watson relishes the adventure before him, and is keen to collect his ultimate reward. He scoffs at the warning that the past cannot be changed. But when he finds himself on an 18th century ship, he'll find the warning might just break his heart. He's wearing the shoes of Doctor Watson, but he'll have to see through the eyes of Sherlock Holmes in order to unmask a determined assasin.

Will he solve the mystery before the witch takes back his mortality? Or will he find a way to save the woman he loves before she is consigned once more to history?