Due to charges of using excessive force in apprehending criminals, homicide Detective, Katy Mahoney, is transferred to the ""Matron Squad"" in order to keep her badge. While following up on Paquito, a young boy she caught shop-lifting, Katy discovers the multiple homicide of two young women and some children. While investigating the murders, Det. Mahoney is discovers a connection to a family trafficking cocaine, which she investigates in spite of her superior having pulled her off the case.
After a woman is murdered at a housing project known as ""The Heights"" Katy learns that Alvin Banger and his gang have the tenants living in fear. They have kids stealing from stores and people's homes and use the Heights as their base of operations. Katy becomes determined to break up Banger's empire
As a war escalates between two street gangs, The Latin Lords and The Demons, Tommy and Julie find love. Unfortunately each is related to members of the opposing gangs. Katy encourages Tommy to make the right choices, which might make it possible for the star-crossed lovers to have a future together.
Katy's out to find the killer responsible for a string of grisly murders on the South Side.
Katy hunts for a Vietnamese hit man programmed to kill refugees and former soldiers now getting rich in America.
Katy pursues a killer who slays with poisons and exotic weapons.
An imprisoned crime matriarch hires a father-and-son team to kill those responsible for putting her behind bars---including Katy and Katy's former lover, a lawyer with questionable connections.
Katy penetrates a terrorist organization whose members are prepared to die for their cause: destroying Chicago's political system.
Katy wanders the city in a delirious state after being injected with a hallucinogenic drug during a struggle with a dealer.
Katy tracks a hit man who's rubbing out local drug kingpins as part of the mob's plan to open up an international narcotics operation.
Katy tracks a murder-for-thrills ex-Green Beret and his motorcycle gang.
A policewoman is murdered to cover up a scandal involving crooked politicians, a greedy banker and pornographers.
The niece of Lt. Terry McNichols becomes involved with a hoodlum who is planning a major theft.