Synopsis：Five years ago, Mai Mang was attacked by someone. At the critical moment, Wan Qing appeared and saved him, but this also caused her arm to be injured, leaving her with lifelong sequelae. Five years later, the two met again by chance. They accidentally injured Wan Qing's arm, which made Mai Mang doubt whether she was the one who saved him five years ago, so he ordered someone to retrieve her information. The two unfolded a series of funny and sweet stories during the struggle, and finally they were able to recognize each other.