Hill wins $100,000 in the lottery; Deputy Chief Mahoney tries to ride herd on Furillo's precinct; mayoral candidate Benjamin Fisk moves into a crime-ridden housing project; Goldblume tries to help Hector Ruiz control the Diablos; and Coffey and Bates bust a couple of lady mud wrestlers.

LaRue and Washington salvage a man's severed arm; Joyce defends a frantic West Indian cabbie; Hector Ruiz takes one final hostage; and Hill alienates many of his friends with his new attitude.

Commander Ozzie Cleveland enters the mayoral race; Officer Perez accidentally shoots a little boy; Daniels begins ""Operation Tenderloin"" out of a sexual cafeteria; and Mahoney tries to make political capitol for Daniels out of a shooting.

A pair of sweet junkie lovers create a hostage situation; the Robson arrest blows up in Daniels' face; and Wachtel shows up at the Wonderland as Murray's lawyer.

Three visiting Russians bring their personal problems to the Hill; Belker goes undercover as an ambulance attendant; LaRue's brother-in-law is busted for soliciting a police officer; Joyce, the judge, and the victim try hard to keep a mentally slow young man out of jail; and Fay and Goldblume worry about how Furillo will feel about their relationship.

The rats return; Esterhaus is hospitalized for tests; Bates, Coffey and Joyce try to protect a woman and her children from her abusive husband; the latest cop killing looks to be a hired gun copying the random killer; and the corruption investigation strikes close to Hill Street; Hill Street gets word of the murder of Marty Nichols.

Goldblume is fascinated by a call girl held on murder charges whose elite clientele has newspapers bidding for her story and her fearful clients threatening her life. Also, tributes to Esterhaus continue to roll in.

Jablonski's female nemesis comes to the Hill for a final showdown; the vacationers are stranded in Las Vegas with Myrna Schnitz; Furillo has to persuade Biff Lowe to help incriminate the Berlettas; and the Cisco Kid returns as an Indian and takes Fay hostage.

Mayo and Garibaldi investigate when Councilman Detweiler's mother shoots an intruder; Hill and Renko catch a notorious loan shark with over $300 in outstanding parking fines; a distraught man threatens to set fire to his wife and child; and Belker is kidnapped and abused by a group of winos.

Furillo's corruption commission delivers its findings and antagonizes Daniels, who is willing to sacrifice a night shift cop involved in an off duty shooting that has incited public opinion; Alan Branford returns as Rambo; and Buntz explores his duties as personnel officer.