A renowned scientist, presumed dead after a year in Africa, returns with a groundbreaking discovery: a method to accelerate plant and animal growth to enormous sizes. He brings back a baby chimpanzee, Konga, to test his theory, but things take a dark turn as he uses the chimp to exact revenge on his enemies. As Konga grows to gargantuan proportions, it wreaks havoc on the city of London, causing chaos and destruction.

Konga
A renowned scientist returns to his former university, the University of California, to carry out a pioneering experiment on a secluded island, seeking to demonstrate the immense potential of his research to the world.