Serial murders occur frequently in Chuze City, and the dead are all arranged in strange twin poses. Lu Shan, the cold-blooded criminal police captain, is burdened with the secret of the massacre and meets the cynical psychological counselor Shen Lin. The two went from being suspicious of each other to sharing life and death. The scar under their eyebrows and the crescent birthmark on their wrists actually revealed their intertwined lives twenty years ago. The bloody twin flowers, the ghost in the police station, the gang conspiracy, a shocking truth is emerging...
