In the line of b-movies from the VHS craze and Italian splatter and trash films, comes the continuation of the story of "Dentes E Garras!". Three months after the events of the first film, an aquatic monster that escaped from the grip of the army is terrorising tourists and swimmers at a summer lake resort. Meanwhile a surviving dinosaur hatchling is about to join in the fun, triggering a catastrophic outcome.
When radiation left behind by atomic weapons testing creates a gigantic killer mutant arachnid, it's up to a trio of scientists, an Army general, and a newspaper reporter and his fiancée to figure out how to stop the hungry beast from devouring the entire county.
Mercer's brother, an amateur pilot, crashes on an island and is killed by a giant spider. A year later, when Mercer goes in search of him, she discovers a breed of poisonous arachnids ready to attack.
In this loose remake of "Forbidden World" (1982), Commander Krieger and his robot companion Tinpan are summoned by a distress call to a research facility on the planet Phaebon, and soon find themselves battling a bizarre virus and a monstrous creature inadvertently created by the scientists there.
A kidnapped diver is taken to an island inhabited by a mad scientist and his half-animal, half-human creations.