In the second season opener, the series develops a more supernatural/weird tone as Mitch and Griff investigate a sunken freighter where they fight for their lives against an unknown force and realize that the freighter might have been sunk by a New Guinea sea monster according to a woman they found floating in the ocean near sunken wreckage of her sailboat.

Mitch and Ryan head out in the ocean to a oil rig abandoned after a strange accident and find a drifting yacht with a terrified young woman aboard who says that her yacht captain was pulled off the ship by a gelatinous green sea monster, which in fact was the result of the oil rig accident.