Based on an original story by Yojiro Ishizaka, this well-made drama is set in a Christian school in a beautiful northern harbor town. Teacher Masaki (Obinata) speaks up for Keiko, one of the girls at the school, every time she causes problems because he feels sorry for her, a child born out of wedlock. Sumi (Natsukawa), one of Masaki’s colleagues and who is secretly in love with him, strongly disagrees with him about Keiko. Then Sumi hears a rumor that Keiko is pregnant with Masaki's child . . . .

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 young man discovers that the woman who raised him is his stepmother. His stepbrother, who is unaware of the revelation, resents his mother for always punishing him more severely than his stepsibling.