Belker meets an eccentric calling himself ""Captain Freedom"" while on a stakeout; LaRue gets more than he bargained for as a cell plant when he overhears an arson suspect taunting an accused child molester; and Furillo issues an ultimatum to the gangs after a savage massacre in a local tavern.

Bates plays in the interdepartmental poker finals; Fuchs refuses to help out one of his own men caught forging prescriptions; Henry goes undercover on a smash-and-grab purse snatching detail; Delgado admits he's afraid of testifying before the commission; Joyce chides Furillo for being naive about his supposed innocence protecting him against the commission; the scam saloon closes down after a gun battle; and a furious Furillo testifies before the commission and offers his resignation to Chief Daniels.

Sergeant Esterhaus dies unexpectedly and the whole station house tries to deal with their grief as they eulogize the man. Meanwhile, Leo finds out his wife is cheating on him; Bates may get a unique promotion; Mrs. Furillo is mistakenly arrested for soliciting by a rookie; Sandy is raped.

Bates loses a junkie prostitute through an error in judgement; Hudson beats up his lawyer after his release on bail; Furillo and Joyce reconsider their separation; and Esterhaus ends his friendship with Mac.

Hill and Renko handle a domestic call involving an old man threatening his neighbors with a shotgun; Hudson looks for the informer in his gang; and Joyce asks Furillo for advice about the Downey case.

Belker tries to renew his expired driver's license; Renko tries to take his father home from the hospital; LaRue rehabilitates himself with Furillo; and everyone follows the trail of the gun used to kill two officers during a burglary.

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.

Bates and Coffey clean up ""Buck Naked"" for a court appearance; a busted bookie turns over several tapes incriminating cops on the take, including a rookie Hunter; Belker pursues a paraplegic who spray painted his car; and Hill boxes for the precinct.

Belker has a final run in with his bald headed pickpocket with many names; Joyce defends a man whose brother plans to threaten the prosecution witness into silence; and Operation Stop 'N Cop begins.

Belker goes to the dogs working undercover at the pound; Furillo chases down the reason he's been denied mortgage insurance; LaRue and Washington bust a former baseball star for drunken driving; and Buntz is held hostage by a vicious parolee.

Night court interferes with ""Monday Night Football"" as LaRue and Washington are accused of entrapping a mugger; Bates and Coffey look for gang members responsible for the drive-by shooting of a child; Fay announces that she's getting married again.

Hill covers for an old friend with personal problems who uses excessive force on an arrest; Coffey arrests an old family friend during a visit to his old neighborhood; Fay introduces her fiance; and negotiations breakdown between the police union and the city.

Furillo pushes Hill about his support of Nash; Belker goes under to catch a gang preying on automatic bank tellers; Fay's engagement ends abruptly; and a good samaritan faces arrest on old out of town warrants.

Goldblume is bitter over losing a promotion; Joyce walks out of court while defending a repeat offender; Renko learns his father is dying; a stakeout to find a con team shaking down johns proves dangerous; and Esterhaus' prize car is taken by a team of car thieves.

Renko's father takes a final trip around the city; Belker goes undercover to find out who has been knifing winos; and Joyce finds her faith restored as she defends a nice young man accused of rape whose alibi is reluctant to testify.

The only witness to a massacre in a gay bar is an off duty cop; the Cisco Kid ties up traffic; and Goldblume offers to be Fay's natural childbirth coach.

On election day, Goldblume tries to keep a last minute candidate clear of the polling places; Mahoney turns on Daniels; Wachtel reports gangsters threatening to torch Murray's Wonderland; and Furillo tries to help Perez' family.

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.

The Hill reaches a crisis point of outraged citizenry and stampeding press coverage when Hill and Renko rescue an escaped mass murderer captured by a vigilante mob, and Belker can't stop being a cop even as he coaches Robin through labor.

Hunter uses pedigreed hounds to track wild city dogs; the scam saloon begins producing results, despite Captain Freedom's help; Fay fixates on cemetery plots; Frank becomes incresingly disgusted with his lawyer and Chief Daniels over the actions of the Sullivan Commission; and a suspicious Calletano learns the truth about a gorgeous new khaki officer.

Grace asks Esterhaus for help with a barking dog; LaRue suffers a crisis of confidence about the PCP lab bust and starts drinking; Renko's family problems hurt his performance at work; Hill antagonizes everyone in his efforts to recruit for the BOC; Goldblume resorts to force to deal with landlord Sosa; and Furillo tries in vain to hold onto Walter Harmon for the death of Pam Gilliam.

Belker and Washington go undercover at a porno theater; Hill and Renko answer a domestic call concerning a suicidal man holding his wife and child hostage; a pickup basketball game between the cops and the gangs calls for full-scale negotiations.

Hill has one last fight; Coffey and Bates take on Honky, the guard goose; Belker gets some unexpected help when he goes undercover in a wheelchair; bookie Ben Seltzer gives up a pay off drop point for a judge on the take; and Hunter refuses to admit he attempted suicide or needs any help.

Bates and Coffey take over a storefront police/community relations project; a cop killer seems to be roaming the streets; Daryl Ann buys the wrong motorcycle for Renko; Joyce behaves oddly about buying a house; Leo and Ray try out an unorthodox method to get rid of the rats; and Daniels tries to short circuit Cleveland's corruption task force by exposing a network within the special Vice detail.

Furillo loses an old friend as the corruption investigation winds up; a romantic triangle transfers to the Hill and comes to a boil; and Coffey gets shot by the cop killer.