The story focuses on the widower Nemoto, ostensibly a businessman, who has one son, Kanichi, the hero of the title. Nemoto remarries; his new wife is a widow with a son and daughter of her own. However, Nemoto’s business turns out to be out a shady scam, and he disappears, leaving his wife to raise the three children alone. In order to support the family, she is obliged to become a bar hostess. She conceals this shameful employment from the children, but the truth comes out years later, after her daughter is rejected by her husband’s family when they investigate her background.

Kenji and Chuko travel to Hokkaido as migrant workers and enlist as miners under the strict leadership of Guzuyasu. On the boat journey to Hokkaido, Kenji attracts Ohama, who is travelling to Hokkaido to open a bar. When Kenji visits the bar, he chases away a sailor who was hassling a shy girl, Ofuji, which makes Ohama jealous.

A playwright moves to a rural neighborhood to avoid the distractions of the city, but he discovers there are plenty of ways to get sidetracked in his new home, too.