Watch HDToday. Mutant: Year Zero is set in a post-apocalyptic future where civilization is rebuilding itself via The Ark. The movie follows a group of mis-fits, anthropomorphic mutants on a mission to locate the engineer of the Ark who has mysteriously gone missing. They believe he holds the key to a mystical place of salvation known as Eden. But the deeper they venture, the more they discover that things are not what they seem outside the Ark, and soon they begin to question their existence as mutants.