H.E.A.T. investigates the tropical island of Santa Marta in the wake of a devastating volcanic eruption. But what they find on the island is that, due to irradiated lava, a hideously mutated ecosystem has developed, including carnivorous plants and gigantic bees. As the volcano begins to erupt again and Godzilla confronts the bees' queen, the team must find a way to escape the island alive.