While on a night patrol Officer Gillis's partner is shot and killed. Then after notifying his estranged wife, she grabs his gun and shoots herself. The series of traumatic events leave him with plenty of doubt about his future as a cop.
Officer Terry Webster falls in love with a girl who witnessed a murder committed by a drug dealer. After she is tracked down and killed for what she knows, Terry uses himself as bait to catch the killer.
Officer Danko shoots and kills a man who may have been innocent of any wrong doing. Jill Danko becomes concerned over her husbands concern for the widow of the man he shot and tensions arise within their marriage.
A man who joined the force the same time that Lt. Ryker did but quit because he couldn't handle the violence is framed for murder. Ryker and the rookies try to help him after years of drinking have turned him into something less than a man.
When the precinct adopts a Police Cadet Program, Webster and Gillis are partnered with a young man who's sister's boyfriend is a fugitive. When another cadet learns of their criminal activity he is taken hostage along with Officer Webster.
Officers Danko and Webster must find an escaped convict infected with spiral meningitis before he spreads the disease to the general population. But they must also find his ex-wife because he is bent on killing her.
After Officer Gillis departs from the precinct, Webster reluctantly accepts rookie Chris Owens as his new partner. Fresh from the academy, Officer Owens is eager to help Webster catch an arsonist who's purposely killing firemen.
A couple having an affair witness a murder, but the married man in the relationship wants to keep quite about it and not go to the police for fear of losing his family. What they don't realize is that the killers are now after them.
A drug bust goes down, but Terry chases one of dealers, who gets away. An old friend of Mike's from Vietnam shows up, but seems cagey. Chris and Terry come to believe, after a bit of investigation, it appears that Mike's friend is a drug pusher. Mike goes to have a talk with Johnny, but the drug pushers take both Mike and Johnny hostage. Not all is at it seems, however.
When Terry delivers the baby of a young woman who seems to be an accomplice in a robbery where the store owner is shot, it's a prelude to revenge as the baby's father becomes jealous of Terry's friendship and sets out to claim what he thinks is his. But something goes wrong with his next heist, and the girl is in danger. Terry's car has a bomb underneath.
Mike Danko is teamed with Pete McCall who is returning to the force after being severely wounded ten years previously. Unknown to anyone Pete is planning vengeance on Tivoli and Ducas, the two responsible for his injuries.
It's a test of courage for Terry's friend Johnny Dane when he's shot on both legs during a gun battle with two thieves who rob sporting goods stores of guns. Johnny's challenge, what if he loses a leg?
Chris meets a girl named Jobina, a photographer. They spend the day together and they agree to meet later. When he goes to meet her, he sees someone kill her. He goes after the man and suffers an injury. When he wakes up in the hospital, he doesn't remember the day. But slowly his memory comes back and he remembers her. He then goes to her place and while there she turns up alive. It seems she had to leave town and she asked a friend to tell him, she gave her, her jacket so that Chris would go to her. Apparently the killer thought she was Jobina. That's when they ...
On Christmas Eve the Danko's invite Lt. Ryker over for dinner and ask him to dress up as Santa Claus to cheer up their niece who's parents are separated. Officer's Webster and Owens maintain the Christmas spirit while out on patrol.
After a syndicate boss is arrested, his thugs takeover the precinct with the help of an ex-police officer. They aim to free their boss and his ailing brother, but they soon find out that Ryker and Webster aren't about to let that happen.