It's a battle on the high seas as Blake, Hooper, and Vargas confront Fisher and his renegade army. With the biotics reprogrammed to kill rather than resurrect, Fisher now holds the greatest tool for assassination the world has ever known. With little time left, and little hope of saving their own skins, the Dead Squad must put a stop to their former commander's plans, even if doing so means spending all eternity in the Inferno.