A sudden medical accident sets off a chain of mysteries, and young doctor Jiang Bei is unexpectedly drawn into the case. As his wife, Lin Yue, investigates the truth, she gradually uncovers a shocking conspiracy spanning ten years. The medical accident covered up all those years ago, the mysterious disappearance of the former hospital director’s son, and the key evidence that keeps being destroyed... Every clue points to a secret no one was meant to discover. Faced with crisis after crisis, how will Lin Yue and Jiang Bei find the truth in the darkness? And what shocking revelations will the mysterious figure known only as "L" bring to light?
