The Tale of Heiji (平治物語, Heiji monogatari) is a Japanese war epic (gunki monogatari) detailing the events of the Heiji Rebellion of 1159–1160, in which samurai clan head Minamoto no Yoshitomo attacked and besieged Kyoto, as part of a dispute over political power in which he was opposed by Taira no Kiyomori, head of the Taira clan. Source: Wikipedia (en)