Spenser is a Private Detective who is hired by a woman to watch her sister and protect her from an old boyfriend. Susan Silverman is Spenser's girlfriend, a research assistant in a psychologist's office. Susan is elated to have been chosen by handsome Dr. Ed Howard from all the other research assistants to accompany him to San Francisco for a psychology conference. Spenser is less elated. Ed Howard enters the picture when Spenser realizes that his client has multiple personalities, she is herself and her sister. Or is she her sister and . . .she's both Diane and Donna, ok? Susan points out that this is Howard's speciality and should be the one to counsel the woman. Spenser is less than elated to bring in the doctor.
A cop who helped send a gangster's son to prison years ago has been hiding, cause the gangster wants to get him. But now he wants to come home, so he and his father, asks Spenser to act as intermediary. While the gangster is unwilling to settle for nothing less than seeing him dead. Spenser tries to see what he can do. At the same time Spenser has to deal with Susan, who came back to town, and would like to see if they have a future, but this case is taking up all of his time.
Frank Belson didn't ask too many questions about the past of his new wife Lisa St. Claire, even after she suddenly and mysteriously disappeared one night. He brings in Spenser to help locate her, who begins to piece together her complete life story while submerged in the Latino shadow world of the town of Proctor.
As a favor to his longtime lover Dr. Susan Silverman, Spenser agrees to investigate the stalking of a theater company director, pro bono. But before he can get started, an actor is killed by an arrow in the middle of a play. Now that there's a real-life murder to investigate, Spenser and Hawk, get to do what they do best--even if it means death threats from the Chinese underworld, being ordered out of town by the tough local police chief, and dodging bullets and crossbows at every turn. By the time they leave the quaint ocean front community, the population has decreased by three, and live theater will never be the same.