Six years ago, police academy twins Shen Yan and Lu Shiheng broke up due to an unresolved case. Shen Yan left the team with a stigma, and Lu Shiheng became the deputy captain of criminal investigation. The two went from life-and-death partners to strangers. Six years later, the serial murder case was restarted. Shen Yan returned as a forensic consultant and was forced to work side by side with Lu Shiheng. They are a calm and restrained forensic doctor and a sharp-edged criminal policeman, who face love and separation while tracking down the real murderer. When the truth is revealed, the unsolved case turns out to be the beginning of the "Bone-Eroding Contract." Shen Yan investigates the case for justice, but looks for Lu Shiheng for his own life. In the intertwining of crime and redemption, the two used the pain of bone erosion as a contract to illuminate each other in the darkness, and finally revealed the truth of the past, completing the reunion from strangers to staying together, interpreting the profound idea that justice and love must be evidenced by bones and blood.
Purpose: Using suspenseful criminal investigation as a shell, we explore the "price of justice" and "redemption of love", explaining that the real reunion is not to go back to the past, but to rebuild a new life with each other as light after facing the trauma and the truth, demonstrating the tenacity and warmth of human nature in the darkness.