At the peak of his life, he was a well-to-do rich second generation, but because his father disappeared mysteriously and his business failed, he owed a lot of debt and was desperate. When he was most desperate, he went to the reservoir to commit suicide at night. While diving, a woman happened to pass by and stopped Li Chengguang, who was seeking death. From then on, a private detective agency named Chengguang Yuyu opened quietly. Whenever people had various problems, they would go to this private detective agency for help. Love, hate, and hatred in the world were played out one by one in this private detective agency...
