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。

Wang Nan, a young mother who lost children because of abduction and trafficking of children in an ordinary town, went deep into the traffickers' organization to find daughters and little fish. At the same time, the local police, Huo Yan, also obtained many criminal clues about many trafficking cases.