The key evidence finally surfaces, allowing Yinchen and Ruixiang to identify the mole. However, it is still unknown who wanted Yinxi dead. Yinxi manages to recall Yinchen's phone number and tries to contact her. On the 30th anniversary celebration of RSB, Junsheng secretly monitors the interaction between the Yue family and Thomas, while Ruixiang confesses his feelings for Yinchen...