After Ren Wu died unexpectedly, her soul transmigrated into a female who was considered weak and incompetent in the orc world. In this world, a young man has an inextinguishable flame burning in his palm. He is regarded as a "disaster" and expelled by everyone, becoming a dangerous thief. The disaster of destruction suddenly strikes, and the world falls into a sea of fire. The young man discovers that his own flame is the only force against destruction. At this moment, he faces a dilemma: continue to steal life in the shadows, or ignite himself and become the burning flame to save the world. Ren Wu relied on modern knowledge to survive, and at the same time tried to change everyone's view of the boy, helping the boy break through the limitations of his identity to complete the impossible rescue mission. But behind the success, the young man may pay the price with his life, and Ren Wu will also face the bitterness of losing her support and lover.