Sipowicz suspects a private investigator of bilking a father for the past six months in a scheme to find the man's runaway daughter. Meanwhile, Kelly and Sharon LaSalle investigate the shooting death of a 13-year-old boy and try to apprehend the gang member responsible. But when the killer escapes from the precinct, and injures LaSall in doing so, Kelly and the other detectives must try to stop the murdered boy's father who plans to go after apprehends the killer himself. Also, LaSalle has a chance to move out of the precinct and into a more regular routine of detective work in which she takes the offer and leaves the 15th Precint for good.

Donna and Simone give Lesniak and Martinez advice, respectively, on their plans for their first date and night together. Afterward, Simone and Sipowicz investigate the death of a young woman who was brutally murdered in her apartment and Simone and Martinez travel to Atlantic City to apprehend their suspect. Meanwhile, Medavoy and Russell try to find the perps who shot a wealthy and shallow surgeon during a mugging, and they also deal with surgeon's petulant wife who wants to press charges against her husband's mistress when she learns that she was in his company during the robbery.