SYNOPSIS: Oilman Paul Sturges takes his family on vacation to Bahia Azul. There, the coastal town he and his wife once knew has mysteriously crumbled and the locals are nowhere to be found. Paul starts off his day with a routine visit to inspect his nearby oil rig, but before he knows it, his entire family has landed with him on the rotting metal tower. From the depths of the ocean rises a massive megalodon known only by its name: the Black Demon. Under constant threat from this primeval species of shark, Paul must find a way to get his family back to shore alive.