Spenser is hired by a real estate developer with gambling problems to track down his wife, who's run away. When it becomes obvious that the wife has gotten herself in over her head with some crusading acquaintances, he tries to reconcile the estranged couple and get them both out of the trouble they are in.
Spenser's apartment burns down, but he's allowed to move into an old fire station as thanks for saving a firefighter's life. Meanwhile, Spenser and Hawk are hired to protect the life of grand jury witness. When it starts to look like someone on the inside might be trying to have the witness killed, and that the witness may not be who she says she is, things get convoluted.
A old man whom Spenser and Hawk knows is shot. They discover that the killer are a couple who comes from an affluent background, which they hide behind. It turns into a cat and mouse game for Spenser and Hawk, who are determined to take them down.
Spenser's been hired by a conductor to find his daughter who ran away with her boyfriend. When he finds them, she tells him that her father has been molesting her. Spenser then tells her father what she said which he denies. After Spenser leaves, he calls Hawk, who once did a job for him, to do something for him.
A young ex-con named Louis Harper steals from his boss, John Brady. Brady hires Spenser to prove it and Harper hires Hawk to protect him from leg-breakers. Spenser and Hawk team up to solve Louis' murder.