When a wealthy drunk driver escapes justice after killing his pregnant wife, Shen Qingming is imprisoned for seeking revenge. After his release, Shen Qingming becomes the prime suspect when the man is later murdered, forcing him to uncover the truth behind the crime.

一个普通小城发生多起拐卖儿童重案，危机四伏，丢失孩子的年轻妈妈王楠独自深入人贩子组织寻找女儿小鱼，与此同时当地警察霍岩也获得多起拐卖案件的犯罪线索，千里寻子追凶的故事就此展开。