After a new cannery introduces scientifically augmented salmon to a seaside town in the Pacific Northwest, a species of mysterious, mutated sea creatures begin killing the men and raping the women.

Thirty years after a murder on the night of Avalon Bay's graduation dance, the sleepy town's teens meet grisly ends at the hands of a prowler once thought to be a jilted soldier home from war.

Thirty years after a murder on the night of Avalon Bay's graduation dance, the sleepy town's teens meet grisly ends at the hands of a prowler once thought to be a jilted soldier home from war.

After a new cannery introduces scientifically augmented salmon to a seaside town in the Pacific Northwest, a species of mysterious, mutated sea creatures begin killing the men and raping the women.