Former criminal investigation captain Jiang Chenzhou was forced to turn himself in after being saddled with a wrongful accusation over a failed operation. Somber and resolute, he excels at psychological profiling. New prosecutor Chen Yanshan is cool-headed and sharp. Though she comes from a family of legal professionals, she despises political maneuvering and backroom deals. Their story, centered on Jiang Chenzhou and Lin Zhao, begins with a twist of fate and gradually draws them into a tangled web of relationships and trials of personal growth.