After Blackthorne survives a brazen assassination attempt, Toranaga realizes he must ferry his allies out of Osaka or risk certain defeat.
Blackthorne and Mariko begin a romance; Toronaga continues to build his army for a battle with Ishido. Anjin-san proves his mettle during an earthquake and is honored by Toranaga for bravery. Mariko’s husband Buntaro, arrives in Anjiro.