Notes Sipowicz and Clark investigate when a man is severely beaten, a woman reports that her husband is missing, and testimony at Fraker's trial threaten's Rodriguez's career.

Notes Diane Russell helps the detectives of the 15th Precinct track a serial killer who targets women at an upscale bar, and Jones attempts to keep a violent father from harming his son.

Another young woman falls prey to a serial killer whose victims all patronize the same trendy bar; when an abusive mother is found murdered, her children are suspects.

Meanwhile a woman is raped by a man who claims he met her in an online chat room, Rodriguez resigns from the force, and Jones decides to foster-parent Michael Woodruff.

Note A cop is suspected in the murder of a man who was seeing his wife, the body of a comedy club owner is found in the trunk of a stolen car, and the precinct gets a new commanding officer.

Notes Detectives investigate a Latino gang kingpin for murder, a man reports that his 15-year-old daughter may have been kidnapped, and Sergeant Gibson brings his obnoxious parrot to the precinct.

Notes The search is on for a man who kidnaps, rapes and tortures women and locks them in a dungeon, and Medavoy becomes attracted to a much older woman (Ellen Geer) who may be addicted to sex.