Criminal investigation expert Chen Jin and forensic doctor Shen Qingyan, who divorced seven years ago due to an unsolved case, were forced to re-partner by a professional serial murder case. They must first sew up the broken trust between each other on the line of life and death in hunting down the murderer, and the dust-laden truth actually points to the rainy night that led to the separation. The reunion of the cold-hearted criminal investigation and the rational forensic doctor is quietly staged in the fog of crime.
