A chimpanzee trainer rescues a chimpanzee named Clemens from an evil corporation that plans to turn the chimp into a weapon so they can take over the world.

Ham III is the grandson of the first chimp astronaut. Soon, the fun-loving chimp has to get serious about the mission - rid a far-away planet of their nefarious leader. Ham III becomes a reluctant hero and learns the true meaning of courage as he and his crewmates, the fearless Lt. Luna and their uptight commander, Titan, risk everything in an effort to save the peaceful inhabitants of a distant planet from the evil dictator Zartog.

The story of Nim, the chimpanzee who became the focus of a landmark 1970s experiment to show that an ape could learn to communicate with language if raised and nurtured like a human child. But as Nim's natural instincts take over and the humans trusted with his well-being fail to protect him, Project Nim uncovers the unflinching and extraordinary journey of one animal thrust into human society.