In the early winter of 2006, Xing Dong, who had just been released from prison, was stabbed to death at Jiangbei County Ferry. The criminal police officer in charge of solving the case, Wu Xiangyong, lost his wife in his early years. He is a workaholic and has a tough personality. The boss of Renchuan and his adopted son Rhubarb were arrested. At this time, there was another violent murder case in Jiangbei County. Wu Xiangyong almost collapsed helplessly and fell to the bottom of the valley. Ten years later, when the cruel truth surfaced, Wu Xiangyong realized that more than youth had been lost.