Synopsis：Shen Chang, a wealthy businessman in Kangcheng, suddenly dies suddenly at a family dinner party. Police officer Qiao Qingqing traces the clues and locks in on Gao Dalong as a suspect. During the pursuit, Gao Dalong gets injured. Gao Dalong has no choice but to seek medical treatment from Fang Jiaming of Jishi Hall. Later, Gao Dalong falls into a trap and is rescued by Fang Jiaming. Gao Dalong is moved and tells Fang Jiaming about an old case ten years ago. Ultimately, they uncover the real culprit who killed Shen Chang and framed Gao Dalong.