10-year-old Hirotsugu has been living with his mother Omaki and older sister Oryo ever since his father Tamizo suddenly vanished four years ago. Omaki works hard at a tavern while complaining bitterly about Tamizo for leaving her. Hirotsugu watches her with mixed feelings. Then one day, Oryo who has been constantly bickering with their mother, elopes with a married man. Omaki is physically and emotionally drained from the loss of her daughter too, and tries to throw herself at the tavern’s regular customers. Hirotsugu feels disgusted by his mother. He abandons his housework and lies down in a field of reeds. That is when he unexpectedly encounters his father who is being pursued by men.