​With his college entrance exams just one week away, Chen Yuan finds his crucial moment interrupted by strangely vivid dreams. He awakens in a post apocalyptic wasteland crawling with zombies. Suffering from starvation and attacks in the dream, he discovers that physical damage from the apocalyptic world directly impacts his real body. Realizing that dying there means dying in reality, Chen Yuan slays a zombie to survive. Upon defeating it, he collects a glowing green crystal that instantly heals his wounds and grants him incredible power. Able to travel between both worlds every time he sleeps, Chen Yuan must master his newfound strength while trying to pass his entrance exams.