Lu Xing, a forest firefighter, is reborn on the day students illegally set off smoke bombs. In his previous life, he trusted their explanations, leading to a devastating wildfire and a ruined reputation. This time, he decisively sounds the alarm and seals off the scenic area. Facing provocations from the students and pressure from public opinion, Lu Xing insists on investigating every potential hazard and works with journalist Ning Che to uncover the truth. In the end, he clears his name and protects the forest and the safety of visitors.