DEA agent Jerry Simms and cellmate Chato plot to expose a prison drug ring when a monstrous Black Demon attacks. Crime boss Diego releases rival sea creatures, leading to a battle of beasts at the polluted facility.
| Actor | Role |
|---|---|
 Jack KesyJerry Simms | Jerry Simms |
 Kate del CastilloNot listed | Not listed |
 Julio Cesar CedilloChato | Chato |