顾北是一位盲眼乞丐，因路遇屠镇灭门的惨剧，为报答富家千金兰秋瑶的一粥之恩，他开始探寻惨剧背后的真相，却不料遭真凶南烛郎的杀人灭口。兰秋瑶的惨死，点燃了顾北心中沉寂许久的火焰，他再次变回了修罗场上的杀神“夜不收”。凭一身侠肝义胆，为惨死的青石镇百姓和兰家三十口人讨回了公道。

In the 23rd year of the Wanli era during the Ming Dynasty, border general Zhan Congwen is framed for colluding with Japanese pirates by treacherous court officials, leading to the execution of his entire family. His son, Zhan Hong, escapes and flees to Qinchuan Town, where he meets and falls in love with Xiahou Ying. However, he soon discovers that her father, Xiahou Batian, was involved in his father’s case. As the truth slowly unravels, Zhan Hong ultimately succeeds in his vengeance and is appointed as the Commander of the Imperial Guards (Jinyiwei), continuing to purge corruption from the court.