Sipowicz is taken hostage by a gunman in the interrogation room. Meanwhile, a woman is busted for possession of narcotics that her son planted on her, one of three people shot execution-style survives, and Medavoy's daughter threatens to elope because his ex can't face him at the wedding.

Clark and Sipowicz suspect a pedophile in the case of a missing 12-year-old-boy. Meanwhile Ortiz and McDowell investigate the death of an elderly woman, Clark and Ortiz reveal their relationship to the squad, and Irvin learns that he'll inherit a huge sum from his father's estate.