Spenser knows something’s amiss the moment Dennis Doherty walks into his office. The guy’s aggressive yet wary, in the way men frightened for their marriages always are. So when Doherty asks Spenser to investigate his wife Jordan’s abnormal behavior, Spenser agrees. A job’s a job, after all.
Not surprisingly, Spenser catches Jordan with another man, tells Dennis what he’s found out, and considers the case closed. But...

The wives of Boston's wealthiest men have a mutual secret: they all had an affair with the same cad who's blackmailing them, and Spenser's been hired to stop him. But when the wives start dying one by one, Spenser's new case becomes murder.