Lin, a middle-aged man haunted by paranoia and burdened by criminal history, now lives in a charming town and runs a humble breakfast eatery. He has an estranged daughter named Shan. Tragedy strikes Lin with news of Shan’s death, his estranged daughter. Lin questions the reported cause of death and sets out on a quest for truth. It turns out that the incident relates to the police, gangsters, and politicians, who even frame him as a serial killer with a shocking twist. With support from his employee Ji, Lin discovers that Shan is alive. His investigation reveals a secret kept for two decades, exposing political corruption and police cover-ups.