Dive deep seeking treasure, but lose it all if you don't return safely to the sub.
A group of adventurers got together on a submarine to try and gather the treasures that sleep at the bottom of the sea. Everyone geared up in diver suits, but having a very old submarine means sharing the same oxygen tank. If one of them dives too deep, the other divers' lives will be on the line! Will the adventurers make it back to the submarine safely?