Although it is a commercial film, it was produced under Hirayama's initiative with the cooperation of many people involved in the Catholic Church.

It was the first full-fledged narrative film produced by the Catholic Church in Japan, which was in the process of becoming independent from the leadership of foreign missionaries during this period.

Pedro Baptista, a Spanish priest of the Franciscan order, arrives in Japan and conducts missionary work in the Kinai region, mainly in Kyoto.

After the wreck of a Spanish ship, Hideyoshi Toyotomi began suppressing the church, and priests and laity are captured and executed in Nagasaki.

[2] Hirayama embarked on a tour of America to screen the film, despite racist opposition, stating "I performed at 117 schools in the United States, gave lectures at the same time, attended 97 churches, five Protestant churches, six times at theaters, and wrote articles in 70 newspapers and magazines.