One of the members of the gymnastic team convinces Mr. T to take them to the New Mexico desert where they try to unravel the mystery of an old monastery. In one wild scene after another, they grapple with criminals masquerading as monks while they use the old ruins as a storage depot for stolen goods from Mexico.

A group of scientists are betrayed by one of their own who uses a mind control device on them to learn their secrets and sell them to a foreign power. Mr. T and his friends combine their minds to unravel this mystery, and unite Kim with her father.

Turning a dilapidated Southern mansion into a gymnastic camp gets Mr. T and his friends involved with a car club called the "Ghost Riders". Combining their wits and athletic prowess, the group solves the mystery of buried treasure that turns out to be confederate money.

The team learns not to take Miss Bisby for granted, particularly when she involves them in the mystery of the crown jewels.