In this episode, fire lieutenant Yamagami Kyosuke announces that after one year and eight months at Fuwa Rescue, he will be transferred to the Training and Education Department of the Fire Academy on July 1. He expresses his gratitude to his colleagues and vows to continue dedicating himself to saving lives, symbolized by the "orange flower" in his heart.

Later in the episode, discussions arise about Yamagami's transfer and its timing due to the upcoming national rescue competition. Station Chief Itou reluctantly accepts the transfer but emphasizes Yamagami's significant influence on the team's success.

Meanwhile, a dust explosion at the Himura Printing Factory prompts a rapid response from Musashigawa Rescue, Fuwa Rescue, and Koganeyama Ambulance. This episode details the technical aspects of dust explosions and the firefighters' efforts to prevent one while rescuing trapped individuals inside the factory.

During the operation, Daigo and Shun discover signs of possible arson, including the presence of powder unsuitable for normal operations. They rescue an unconscious man, who is later revealed to be involved in the incident, raising questions about his motives.

The episode concludes with the rescue team successfully overcoming the crisis, demonstrating their commitment and skills in the face of danger. A preview builds anticipation for the next episode, highlighting the significance of the vermilion color of fire trucks and other firefighting symbols, as well as hinting at the formation of an elite unit, Fire Company M.