A murdered ex-cop's son decides to conduct his own investigation when Munch and Russert find themselves stumped in their search for the killer.

A male prostitute offers to reveal the identity of a multiple murderer as part of a plea bargain. He admits to luring in the victims and stealing their rings, but not to being the killer. The Homicide Squad takes turns on a stakeout next door to the suspect. Interactions between squad members and between the couple whose house they "occupy" run the gamut of emotions.