母ぁちゃん、海が知ってるよ (1961)

Little dark-eyed boy Kazuo. Yes, he dreamed of the sea. However, like everyone here in the village. Kazuo only wanted to study first, to finish school... But he failed. Mother died. The woman who replaced her brought with her affection, comfort, and warmth of mother's hands. It seemed that joy settled in their house again. But one day a storm caught the fishermen at sea. Father did not return... Father's friends, fishermen, tried to help the widow, who was left with two children. But the money was still not enough. And then Kazuo decided to become a fisherman. After all, he was now the eldest in the family...