Dr. Gao Liren (Fang Zhongxin), a senior psychiatrist at Renhe Hospital, is an excellent doctor with both benevolence and medical skills. He treats a wide range of conditions, from severe schizophrenia to mild psychological distress. Dr. Gao not only treats his patients with medication but also conducts psychoanalysis to trace the root cause of their symptoms, leading to intriguing and thought-provoking twists in the process.
Among Dr. Gao's close friends are fellow psychiatrist Dr. Lian Zhichen (Jiang Zhiguang) and nurse Li Yingchun (Huang Haoran). Yingchun is equally passionate about helping others; while caring for a patient with binge-eating disorder, Sun Jiabi (Yang Xiuhui), he overcomes numerous obstacles and eventually becomes her boyfriend.
Dr. Gao's marriage ended in failure, leaving him with a daughter. After the divorce, he lost hope in love until he met Detective Mo Min'er (Xu Zishan) from the Serious Crime Unit. As they frequently collaborated on cases, feelings developed between them. However, Min'er suffers from a family history of mental illness and fears a relapse, so she refuses to accept Dr. Gao's affection...