This is a promotional film for the police, in which an investigator calls on a priest to appoint a lawyer to free innocent Seo Yeon, who is accused of killing her smuggling husband, from custody.

Based on the novel of the same title by Kwang-Soo Lee (Yi Kwang-su), published in 'Maeil Shinbo' in 1917. The plot is based on the relationship of three young people - English teacher Hyeong-sik Lee, dancer Young-chae Park and Hyun-soo Kim, the daughter of a wealthy presbyter. Left an orphan in early childhood, Hyeong-sik was brought up in the house of Master Park. From childhood, Park predicted his daughter Young-chae as Hyeong-sik's wife. Master Park was a patriot, and when the Japanese invaders came to power, he was illegally convicted and imprisoned. His daughter Young-chae became a kisaeng to earn money to send packages to the prison. At this time, Hyeong-sik and Young-chae are moving away from each other, and Hyun-soo appears in the life of Hyeong-sik, whom he fell in love with and is going to marry her.

Electrician Dol-soi who was from an orphanage loved Soon-yi who was a daughter of the pub in town. Soon-yi, however, loved handsome electrician Eun-ki and refused Dol-soi's proposal. One day, an awful electrician Ba-woo tried to rape Soon-yi in a dark place. But, Dol-soi rescued her. As usual, Soon-yi loved Eun-ki. Frustrated Dol-soi left the town alone.

A pro-Japanese film showing the bravery of soldiers defending the country and promoting the power of the Japanese Air Force among Korean youth, which teaches students to acquire model aircraft skills to enhance their aviation spirit.