When the body of an ex-Harvard rower is found floating in the Charles River, Boston state trooper Sean Delaney is put on the case to determine whether the drowning is purely accidental. Is it really the result of a college prank gone wrong? Or are there other reasons to explain why the son of a preeminent Boston venture capitalist, on the verge of his own brilliant career, would throw himself from the Eliot Bridge? What begins as a routine inquiry suddenly turns into a full-blown murder investigation when the savvy chief coroner, Sue Chasen, determines that the autopsy looks suspicious.