"Natura non confundenda est. Loosely translated: don't fuck with Mother Nature."An underwater mining crew about to return to surface discovers a Russian sunken ship, Leviathan. However, said ship is supposed to be currently operating in the Baltic Sea and suspicion arises. The captain left a video log saying that the entire crew has fallen to an unknown disease, but the log cuts short as someone enters the captains's quarters. A crewmember referred to as Sixpack keeps a bottle of liquor found in the ship but it makes him sick the next day, and everything goes horribly wrong.Leviathan
— Dr. Thompson on the fate of the crew of Leviathan.