A 22-year-old worker, Ren Zheng, reunites with his old friend during graduation season. A moment of light-hearted banter is taken seriously by the god of reincarnation, who sends Ren Zheng and his friend into a fantastical world as part of their graduation. The two are reincarnated as an [Angel] and a [Demon] respectively, and embark on a series of funny and thrilling adventures.