The incident was an uprising from August to September of 1184 by the remnants of the Taira clan, who had been hiding in Iga Province or Ise Province since the Taira clan's flight from Kyoto in the previous year.
元暦元年（1184年）7月から8月にかけて、前年の平氏都落ち後に、伊賀国・伊勢国に潜伏していた平氏残党が蜂起した事件。