Chen Jin is a depressed patient who is extremely insecure due to various complex reasons but resists close contact with others. When he had another severe attack and was in so much pain that he planned to jump off the building to commit suicide, he was stopped by Lin Hui who was sober from a hangover on the roof. After a series of stalking, Lin Hui became Chen Jin's friend, and with increasing company, Chen Jin found that he could no longer do without Lin Hui...