The story of Chinese legendary anti-hero Zhong Kui, a young man endowed with mysterious powers who is forced into a battle among the realms of Heaven, Earth and Hell in the course of his attempt to save his countrymen and the woman he loves.
All Yuan Zhinan has left behind when she passed away is a letter and an invitation to a school reunion. Attending the reunion in lieu of her late elder sister, Zhihua accidentally runs into Yin Chuan, on whom she had a crush in her youth. As old memories are evoked, and correspondences travel through different contexts and times, Zhihua slowly uncovers the intricate story of the trio.
