He Xiuwu (Zhao Liying), a female student majoring in mathematics and statistics at the University of Sydney, derived the "true love formula" in her master's thesis. He Xiuwu, who firmly believed that her formula was absolutely correct, received the bad news that her first experimental subject failed and committed suicide... In order to get rid of the terrible female student as soon as possible, Ye Siyi (Zhang Han) decided to personally help her find her Mr. Right. However, during this process, something went wrong and a strange chemical reaction occurred...