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.

Cast: Richard Chamberlain, Toshirô Mifune, Yôko Shimada, Furankî Sakai, Alan Badel, Damien Thomas, John Rhys-Davies, Vladek Sheybal, Yûki Meguro, Hideo Takamatsu, Nobuo Kaneko, Hiromi Senno, Michael Hordern, George Innes, Leon Lissek