The extravagant cop Michael Dooley needs some help to fight a drug dealer who has tried to kill him. A "friend" gives him a dog named Jerry Lee (Officer Lewis), who has been trained to smell drugs. With his help, Dooley sets out to put his enemy behind the bars, but Jerry Lee has a personality of his own and works only when he wants to. On the other hand, the dog is quite good at destroying Dooley's car, house and sex-life...

When the door of freedom cracks open for inmate Maggie Blair at her brother's funeral, she doesn't let anything stand in her way. This begins her furious determination to unearth the gang that murdered her brother.