Solo is an android designed as a military killing machine. He is sent to Central America by General Haynes to battle guerrilla insurgents, but a flaw develops in his programming and he develops a conscience and compassion. His developers try to take him back for deprogramming, but he flees to the jungle. He joins a small village community that he protects from guerrilla attackers. Eventually the government develops an advanced android sends it into the jungle to destroy him.