A series of robberies at drive-in bank windows is frustrating the CHP - especially Jon and Ponch, who unsuccessfully chased the bandit's car three times. The thieves have joined a 150-car road rally that enables their vehicles to elude the police. Meanwhile, Ponch gets a surprise visit from his mom, who refuses to tell him the reason for her trip.

A bell is stolen from a church. The Sunday school children are very sad about this. Ponch gets a visit from his mother. The officers have much to laugh at as a few drunken guys want to buy gas at the Central.