Jon and Ponch are chasing thieves who steal luxury cars. Ponch has problems with Sgt. Getraer and can't do anything right by him. The thieves are using moving vans with stolen licence plates, so the chippies can't get them first. Nice scene: Ponch and his sticky ticket.

A truck loses toxic baby food on the highway. A tramp pair with a baby finds two boxes. Ponch and Jon try to find the lost boxes. Ponch is interested in his neighbor Melinda, but Melinda falls in a love with Jon. On the highway Jon and Ponch save a dog out of a burning car. When they find the tramp family they save the baby by taking it on their motorbikes.

CHP officers usually ride in pairs, but this day Ponch leaves Jon to handle an emergency. While Jon is alone, an officer pulls up to a car and acts improperly, so frightening the female driver that she causes a traffic accident as she speeds away. As the Highway Patrol searches for for the unknown officer, Jon learns that the mystery man is apparently his double - and that his career is in jeopardy as long as the phony remains at large.