Rainbow.

Young-sik, a young fisherman in a fishing village, lived with his blind old man and sister. One day, when an old man is suddenly sick, he runs to the doctor, but is rejected because he has no money. Enraged, Young-sik hits the doctor, but he dies. Yeong-sik goes to prison, and his younger brother, Young-ae, becomes the wife of a certain bar. After years of release, Young-sik wanders in search of the old man and his younger brother, and eventually meets his younger brother, but the old man has already passed away. The siblings return to their hometown. Young-ae marries her Tae-sik, who has loved her for a long time, and Young-sik also vows to live steadfastly by fighting the sea.