Ling Jie starts to notice Bi Yu’s bizarre behavior when she asks about how he injured his leg. He confirms his suspicions when he trails behind Bi Yu in the cemetery, where she could not locate her parents’ graves. Sang Luo’s son, Gu Jun, also finds out about Bi Yu’s dementia when he comes across her medicine, and he relays the news to the entire family. (Source: Viu)