A trip to buy Starsky's expensive new watch ends in chaos as the duo try to catch a tearaway tomboy shoplifter. Soon after, they respond to a call from Huggy after some thugs smashed up his bar demanding information about Hutch – and unbeknown to any of them, the pair are being guided into a carefully laid ambush at a desolate farm, in a trap set by a ruthless criminal with an old score to settle with Hutch. Worse still, Joey, the young shoplifting girl, has stowed away in Starsky's car, and ends up trapped with the Detective duo in a barn that will soon be set ablaze...

When a contract is put out to kill a top union official, Starsky and Hutch go undercover as hit men to protect him. But while Hutch rehearses his performance as a trigger man, Starsky is plagued by a young admirer who may compromise his cover.