Cagney and Lacey's guarding of a mentally ill witness is complicated by his refusal to take his medication.

When Det. Corassa's gun is linked to the slaying of a black youth in a white section of town, the African-American community suspects a cover-up.

David Keeler defends Mary Beth after the community demands a Civilian Review Board investigate her role in a neighborhood dispute. Det. Petrie is promoted to Sergeant.

An eccentric, older woman who claims she's a witch is getting in the way of a lucrative real estate deal.

Cagney and Lacey go undercover on street corners to investigate a rash of middle-aged prostitute murders. Isbecki is thrilled to discover his new partner is a woman.

A missing music video may be linked to drugs. Chris' niece visits, with aspirations of becoming an actress in New York.

Chris and Mary Beth go undercover as quiz show contestants to investigate a rigging accusation.

Chris finally gets to work on the Major Task Force, and immediately is faced with finding out who the turncoat is in their midst.

Cagney is date-raped and has to deal with the trauma of that while simultaneously trying to prove that it actually happened.

A couple are missing and Harvey, Jr. stuns his parents on his 18th birthday by announcing he's enlisting with the Marines.

Chris is disappointed when she's passed over to fill in during Lt. Samuels' vacation. Harvey assists in a case involving kickbacks at a construction site.

An undercover operation at a computer manufacturer is jeopardized when Chris fails the company's random drug test.

David Keeler proposes marriage to Christine.

Chris and Mary Beth have very different attitudes at a mandatory refresher for their precinct at the police academy.

When a refugee from El Salvador is slain, different people give wildly different opinions of the life he led to Chris and Mary Beth during their investigation. Meanwhile, Chris meets a friendly, handsome plumber at AA.

The theft of a valuable painting sends the detectives to upscale galleries, hoping to find out where it went. Christine realizes Nick is the opposite of David.

The girlfriend of a murdered federal witness asks for help finding his killer. Meanwhile, one of Alice Lacey's classmates has AIDS.

In a case of friendly fire, an officer is accidentally shot by Thornton.

Christine's date-rape case against Brad Potter goes to trial. Meanwhile, Harvey Lacey, Jr. disappears from his Marine training.

A Wall Street success with friends high on the police command chain is robbed, creating additional pressure to solve the case quickly. Meanwhile, Harvey Jr. visits home.

Cagney and Lacey travel upstate in search of a missing bank president, and stolen funds that equal $100 million.

The investigation into the stolen $100 million wraps up. Cagney and Lacey get a great surprise at the end.