August 1945, three days after the end of the Pacific war. A freight train jam-packed with passengers heads for Aomori from devastated Tokyo. Among the passengers is Takahara Miki and her sister Sachi.
Miki and Sachi are daughters of a wealthy landlord living in a village in the Tsugaru area in Aomori prefecture. They've been living in Tokyo since before the war to attend school. Miki is determined to become a doctor after seeing her village does not have one.