Burt rescues newcomer Tyler Reed from the government-protected Graboid known as El Blanco. It happens that Tyler is the new owner of Perfection's tourist business and he couldn't have come at a worse time. El Blanco is becoming more aggressive and the Perfection residents have to figure out why before they become the next meal.

Residents of Perfection are facing money troubles and Rosalita decides to take a job at Melvin's latest business venture, the Oasis. But some of the water Melvin uses for the Oasis' lagoon actually came from Perfection and contains Mixmaster, creating a deadly six foot shrimp. And when Melvin's attempt to kill it drives the shrimp out of the lagoon, Tyler and the others will have to stop it before it escapes into the wild.