The Emperor intended to stop the Retired Emperor's cloistered government and tried to escape only to be forced to abdicate from the throne by the retired Emperor, thus he planned to overthrow the Kamakura bakufu who interfered with the Imperial succession.
天皇は上皇の院政を停止して、上皇に退位を強要される事態を阻止し、皇位継承に干渉する鎌倉幕府の打倒を計画した。