In 2017, a mining disaster tore apart families. Four years later, everyone connected to the disaster is linked by a serial killer known as the "Survivor's Gamble." Among them are detectives, journalists, wealthy second-generations, nurses, students, and delinquent teenagers... Rookie detective Peng Chuyan, inheriting his father's police rank, single-handedly faces a series of social crises: cyberbullying, school violence, domestic violence, Chinese-style parenting, workplace pressures, cheap rumor-mongering, apathetic spectators, animal cruelty, and unscrupulous media influence. Peng Chuyan's story unfolds in our daily lives, touching us all.