Probe was sent to rescue a British arms dealer from the military dictatorship of a South American country. Initially reluctant to leave with just one man he was convinced by a show of Probe's power. As they were leaving Probe sees the local boy who guided him through the mountains to the city. Trying to rescue him, all three were captured. Probe switched his hyperpower off, fooling a medical expert. In the torture chamber the next day used his strength to push apart the columns holding the building up. They escaped with the Colonel as hostage, before Probe pushed him from the helicopter.
- Probe aka M.A.C.H.1 is government agent imbued with extraordinary physical power and a computer embedded in his brain.
- Armstrong is president of a British arms corporation, being held under house arrest in Bolavia since the government was overthrown in a revolution.
- Pepe is Probe's young guide across the mountains to get into Bolavia. He is arrested and Probe goes back to rescue him.
- Col. Villarcho is the Chief of Bolavian Secret Police. He captures Pepe and then Probe and Armstrong, but is thrown from a helicopter after Probe escapes.
- Bolavia, South America