Lin Hao and Su Qing were reborn and returned to their high school days. Through a series of events, they gradually confirmed each other's identities and revealed the secret forces behind the campus. They cooperated to investigate Lin Hao's father's accident and discovered that Chen Qiming had plagiarized research results and falsified laboratory data. Experiment records involving the 041 annotation were displayed at a science and technology exhibition, causing confusion. Later, the disposable phone card was tracked and Lao Zhang's unusual background was discovered.
