Three boys on a camping trip in the mountains explore a ghost town left after the minning ended in the California mountains. Two of the boys accidentally fall into an old mine shaft. The youngest boy goes out to find help even though he is far from civilization in the mountins. Chuck and P.T. see the boy from above in their helicopter and fly him to a hospital, then go back to try and find the other two boys and help them get back home.

P.T. and Chuck fly a skin-diver to an untouched oyster bed he has discovered. The diver promises to share the pearls with them if they reach the site before his former partner.

Sniper shootings have been happening around the area and it is being done by two kids on motorcyles who are doing it just for kicks. They spook Helen and her boyfriend when he takes her out for a ride on his motorcycle. Heading back to the airport the two boys confront them and pick a fight until Chuck and P.T. step in and chase the boys away. To get even the boys shoot at the helicopter as it flies overhead, damaging one of the fuel tanks. The boys then take a shot at Chuck and his friend while they are outside and accidently his friend, Bill, get shot in the arm. Chuck and P.T. give chase and catch one of the boys who can't start his cycle. The other gets away. P.T. manages to get the motorcyle started and heads out after the other boy. Chuck goes for the helicopter and together they corner the boy down in the canyons and bring him back to justice.

Cattle-owners are plagued by rustlers who employ a mysterious means of stealing cattle.