In this episode, Nathan and his new friend, Jim, find themselves in a perilous situation. GRIP has captured Jim's father, a brilliant atomic scientist, and is forcing him to design weapons in a secret laboratory. Meanwhile, the Macron team, led by Major Chance, learns about Nathan's predicament and embarks on a mission to rescue him. With the help of their advanced technology and determination, they track down the location where Nathan is held captive, a massive weapons facility. Jason is sent out to rescue Nathan and thwart GRIP's sinister plans while battling the organization's forces and its formidable robot.