He (Nicholas Hoult) is a zombie living in the end of the world, and he only vaguely remembers that there is an "R" in his name. Unlike the secular concept, as a zombie, he can think and still has some memories of his life. R lives on an abandoned flight, likes to collect records and accessories, and seems to be no different from ordinary people except cannibalism. On this day, R and his zombie friends went out to find food, and encountered a group of humans who came from the quarantine area to the contaminated area to search for medicine. After cruelly devouring the brain of the young man Perry (Dave Franco), R possessed the other's memory, and thus developed sympathy and affection for the girl Julie (Teresa Palmer) who came with Perry. He took the girl back to his residence, and gradually gained the other's trust through a few days of getting along, and the beautiful Julie also made R regain the warmth and complex emotions that he had long lost as a human being... This film is adapted from the novel of the same name by Isaac Marion.