When Detective Sime Mackenzie is sent from Montreal to investigate a murder on the remote Entry Island, 850 miles from the Canadian mainland, he leaves behind him a life of sleeplessness and regret.But what had initially seemed an open-and-shut case takes on a disturbing dimension when he meets the prime suspect, the victims wife, and is convinced that he knows her even though they have never met.And when his insomnia becomes punctuated by dreams of a distant Scottish past in another century, this murder in the Gulf of St. Lawrence leads him down a path he could never have foreseen, forcing him to face a conflict between his professional duty and his personal destiny