It was the incident in which Tokisuke HOJO, Rokuhara Tandai Minamikata (Southern Chief of Rokuhara Tandai), the Hojo family (NAGOE family) of the Hojo clan, and others, who were believed to plan a rebellion against the bakufu, were subjugated by the order of the regent Tokimune HOJO.
幕府に対して謀反を企てていたとされる六波羅探題南方の北条時輔、北条一門の北条氏(名越流)らが執権北条時宗の命により討伐された事件である。