Soon after newcomer Lacey Havnel arrives in the quiet, well-heeled lakeside getaway of Evening Lake, Massachusetts, she is discovered stabbed and a vacationing Detective Harry Jordan must track down the killer before another murder is committed.
Determined to solve a series of murders before he retires, detective Salazar turns to Sunil Singh, a South African transplant who specializes in psychopaths, to help determine if a pair of conjoined twins he apprehended are the killers.
Sal Jenkins is always thrilled when her husband Harry returns from sea. As chief steward on the SS Amazonia , he provides well for his family and Sal enjoys the status that his position affords her. Their daughters do not share Sal's excitement - it is only a matter of time until their father's drinking and violence begins.