深海沉睡的万年海怪，潜藏着古老传奇与无尽神秘，等待着探险者的到来。深渊异形

　　An earthquake in the Salton Sea unleashes a horde of prehistoric mollusk monsters. Discovering the creatures, a Naval officer and several scientists attempt to stop the monsters, but they escape into the canal system of the California’s Imperial Valley and terrorize the populace.