September, 1944. With the backs of the Axis alliance feared broken, a U.S. Submarine is sent on a Top Secret mission to search for downed pilots in the South Pacific ocean. However, when Captain Culpepper of the USS Seaviper and his crew discover German and Japanese troops conspiring with ingredients to produce a catastrophic weapon, their sole directive becomes to stop the enemy from waging total destruction, at all costs. But with limited resources and structural damage to their vessel, these young heroes are pitched in a desperate battle for their lives before the madness of war consumes them all.