The protagonist Qiao Wei went to the rehabilitation center to pick up her twin brother Qiao Yi. The two brothers returned to their old house together and planned to start a new life. However, they unexpectedly found a corpse hidden in the courtyard that had been buried for ten years. Detectives Tu Nan and Lan Ge, who specialize in solving "special cases", took over this unanticipated case. During the investigation, female detective Lan Ge was surprised to find that the twins were related to a gene that had been hotly debated many years ago. Due to the optimization plan, they were two out-and-out "perfect people". But now, the younger brother has become a withdrawn and autistic "Rain Man", while the older brother has been involved in this murder case. How imperfect have the lives of perfect people been?
The corpses mysteriously appear at the beginning of the twin brothers' new lives - what kind of secrets are buried deep inside?
