 In an attempt to finally break the siege, Masashige devised a plan in which his men disguised themselves as Shogunate soldiers and left the bodies of the slain combatants in the fort in a large pile of kindling.Thus disguised, Masashige's men were able to slip through the defenses.Once free, one man left behind lit the bonfire and the castle, deceiving the Kamakura soldiers into thinking they had committed suicide.