A computer major student Wang Yuzhe was falls into nothingness because of future hopelessness, his former high school classmate Jiang Siming is his only hope. In a major class, Jiang Siming met a strange stranger who claimed from another planet. He doesn't believe it at first, but curiosity drives him to follow the stranger to a mysterious place, and he found that things were not as simple as they seemed. However, in the subsequent questioning, the stranger did not say a word...