In Shanghai in 1926, Su Qingci, a returned female forensic doctor, was reborn on the eve of her fiancé's murder. In her previous life, she was framed as the murderer because of the violent death of her fiancé, and she died unjustly. In this life, she holds the knowledge of criminal investigation and vows to change her fate, but she is involved in a deeper conspiracy. Intertwined with the mysterious intelligence officer Lu Yanzhi and the warlord marshal Gu Beichen, protecting justice and love amidst crime and troubled times
