Yang Xiaoxia, a member of the popular idol girl group "Wish Girl", fell to her death in a hotel. However, her fall was accidentally photographed by a desperate paparazzi. The police soon discovered that this was a murder disguised as suicide, but all possible suspects had clear alibi, and everyone related to the case, including the principal of the art school, the girl group's manager, the boss of the agency, the rumored boyfriend, the girl group members, and even the paparazzi Guan Yi who was photographed falling from the building, were all vaguely related to the "accidental drowning case of an art school girl in a flood" five years ago...