The action takes place in 2019, on the night when the Notre-Dame Cathedral in Paris caught fire. The story revolves around the people who are tasked with extinguishing the flames. Among the central characters are the head of the fire brigade, who had planned to retire, a young firefighter, a television journalist, and a woman who becomes trapped under the collapsed building. As the firefighters struggle to contain the fire, each of the main characters experiences their own personal drama.