A joint Japan-Russia co-production, the movie is based on the true story of a prison camp in Matsuyama, Ehime Prefecture, during the Russo-Japanese War.

[1][2] In the present day, a journalist named Sakurako Takamiya works for a local TV station.

The movie was screened at the opening of the Ehime International Film Festival pre-event on March 15, 2019.

According to a survey by Kogyo Tsushinsha, it won first place in the mini theater audience mobilization ranking on March 22 and 23.

On November, the movie won the Russia-Japan Friendship Contribution Award at the Russian Overseas Film Festival.