Hu Xianglai (Guo Tao) is a butcher. He is tall, strong and powerful as his job. In an accident, Hu Xianglai became the biggest suspect in the murder of the village chief and was hunted by the police. He was cornered and tasted despair for the first time. At this critical moment, a man named Lin Tianbai (Guo Da) appeared in front of Hu Xianglai, giving him a glimmer of hope. It turned out that although Lin Tianbai was thin and weak, he was a detective novelist with strong logical reasoning ability. Hu Xianglai kidnapped Lin Tianbai, hoping to use his wisdom to help him deduce the truth of the murder. Time passed by, in an extremely harsh environment and extremely harsh conditions, could Lin Tianbai accurately clear the fog and clear Hu Xianglai's name?