Despite his age--or maybe because of it--veteran cop Charlie Battles fumes at the prospect of a desk job. But he gets a reprieve, teaming with young Joe "Kaz" Kaczierowski to protect a witness, a mobster's wife whom Charlie knows too well.
While working as technical advisors on a film, Charlie and Kaz also assist in guarding an actress whose attacker has just been paroled.
A casino-hotel owned by Charlie's crooner pal provides no vacation when gunfire in the showroom follows Kaz's discovery of a bullet-riddled pickpocket.
A nurse in a retirement home will be the next in a series of kidnap-murders, according to a witch who lives at the home, and when a skeptical Charlie and Kaz show up to investigate, they wind up thwarting an attempt by a trio in black robes.
Smoke signals lead Charlie and Kaz to a Native American searching for his great-grandson, who spent time in an institution other than the university he'd written of.
Charlie attends the reunion of his old Army unit from his time in Vietnam, but when one of the members is murdered, Charlie and Kaz discover that the other members are acting as a freelance team of mercenaries who plans to assassinate a South American leader.
When two men are found murdered, Charlie and Kaz learn that they were part of a group of former college students who were charged for the death of a fellow student 30 years earlier, and while protecting the remaining three, they suspect the killer is among them. Helping Charlie and Kaz is a member of the bomb squad, but Charlie discovers that the man suffers from schizophrenia--an illness that could jepordize the investigation.
When a street hustler talks, Kaz listens, but Charlie doesn't buy the man's story of how he came to possess the tools of a professional hitman.
A bat-wielding Louisiana sheriff is determined to find his runaway daughter---and something she took from him.
After an ex-cop turned security guard is shot during an attempted bank robbery, the case is made nonexistent and the perpetrator released.
A reporter is on the scene shortly after a homeless man is murdered, thanks to a call from the killer, who calls again to state his next move.
Charlie uses a dating service, which gets him shot at on the first date, and a warning to pass on a second date.
Charlie's visiting daughter makes a perfect target for a wounded robber who vows revenge on Charlie for killing his brother during a holdup.
Assured that Charlie can be "trusted," a new lieutenant assigns him and Kaz to a delicate case: the murder of the commissioner's mistress.
The surprise of his mother's engagement doesn't bother Kaz nearly as much as the barrage of bullets fired in their direction moments after he meets her fiance.
While in the hospital, Charlie is mistaken for a hit-man's target, but the would-be killer escapes when Kaz inadvertently blocks Charlie's shot while in pursuit.
A mentally disabled friend tells Charlie that a dog asked him to get the police to stop its murder, and shots are fired at them when they return to the scene.
Charlie and Kaz find themselves involved in a dangerous game while investigating the thefts of Kaz's bike and a $114,000 baseball card.