A Trident missile submarine's crew, on a training exercise mimicking an attack on Russia, falls victim to toxic poisoning. The toxin's hallucinogenic effects lead the Captain to mistakenly believe he's been ordered to launch a real attack on Russia, prompting him to prepare for the actual strike.
The Fifth Missile
As a Trident missile submarine crew simulates an attack on Russia, a mysterious toxic poisoning spreads through the vessel, inducing hallucinations that threaten to destroy their reality.