The Caribbean swamps which is to be made into a holiday resort is terrorized again by a second monstrous crocodile which is killing off anyone unfortunate to be on the water.

They took his wife... but he's still Walking Tall, they drew First Blood, but he's gonna fight back like Billy Jack.

Anthony is in the Phillipines visiting his father. He inadvertently interferes with the affairs of local gangster Quino, who also happens to be a champion Karate fighter. After embarrassing Quino near a local tournament, Anthony is beaten up and left for dead. An old monk nurses Anthony back to health and teaches him the ways of martial arts so he may go back and fight Quino again.

A group of environmentalists arrives at a faraway tropical delta where toxic waste is being dumped. However the water also hides a giant crocodile. The corrupt local officials don't help much either.