Plot

After a nuclear weapons test goes awry in North Korea, a U.S. Navy submarine crew faces a dire communications failure. Convinced that nuclear war has erupted, the senior officers ready themselves for a counterstrike. Amid the escalating tension, one crew member questions the validity of their assumptions and the potential consequences of their actions. As paranoia mounts, the crew must navigate their fears and the uncertainty of the situation, leading to a gripping standoff under the sea.