When a cop gets shot, the detectives launch a major investigation and are surprised to learn that, with his active social life, the officer's shooting may not have been as random as he claims. Meanwhile, Medavoy's good intentions to help a store owner backfire, and Sipowicz takes offense when Lieutenant Rodriguez steps in and uses past connections to get a confession out of a suspect.

When A.D.A. Valerie Haywood needs help tracking down a wayward witness, she turns to McDowell and Russell. Miraculously they find the reluctant witness and even "host" her overnight until her court appearance. The three women forge an unusual bond in the course of the evening, which makes it all the more painful when the witness disappears once again before testifying. The disastrous turn of events prompts a deeply remorseful Valerie to seek the comfort of Baldwin Jones. Andy and Danny try to get a nasty suspect to confess to a murder so an eyewitness won't be put through hell in the aftermath.