It describes the revenge by a busho (Japanese military commander) of the Taira family and the people involved in it as well as their happiness and sadness, starting from the exile of MINAMOTO no Yoshitsune from the capital after the Genpei War.
源平合戦後の源義経の都落ちをきっかけに、平家の武将の復讐とそれに巻き込まれた者たちの喜悲こもごもを描く。