Lu Lichuan and Song Yin met in high school, and their time together was tender and beautiful. However, a malicious photoshopped image ruined Song Yin's reputation, forcing her to transfer schools and leave. To help Song Yin find evidence, Lu Lichuan gave up his competition qualification, but he did not expect Song Yin to leave without saying goodbye, leading to a ten-year separation. When they meet again, Song Yin has become a teacher, pressured by her parents to get married. To deal with an absurd blind date man, she lied that she was divorced with a child, but Lu Lichuan took it seriously, believing Song Yin's younger brother to be his son. Torn with inner conflict, Lu Lichuan put on a sharp-tongued facade pretending not to care, while secretly watching over and helping Song Yin. Until the misunderstandings are cleared up, the feelings between the two can no longer be suppressed...