When a fracking mishap accidentally rips apart the earth’s crust, the resulting hole opens up a gaping underground water way to a vast and mysterious ocean somewhere deep below. Instantly, giant prehistoric sharks begin wending their way upward toward a murky bog in the heart of the Arkansas Bayou. Unfortunately, for a group of female prisoners on a work detail in the swamp, the deadly sharks attack without warning – pinning a hapless group of intended victims in a small deserted cabin in the heart of the wetlands. Death may be the only means of escape!

A hybrid creature - half piranha and half anaconda -- attacks a low-budget horror movie crew on location near her nest when her egg is stolen. Now they must outrun and kill the deadly piranhaconda as well as stop the mad scientist who stole the egg - before they all become dinner.