At the height of the Crimean War, and the seige of the Russian city of Sebastopol continues. Attempting to cut off the Russians' supply line, the allies send a squadron of battleships with 15,000 soldiers onboard. Comamder Phillip Hazard is order to buoy a channel under the shore batteries guarding the Straight of Yenikal. Forced to make some hard decisions, Hazard faces court martial afterwards.