Lin Qisen returns to Qinglin Valley. Facing reduced forest land and a desolate village, he decides to develop forest health care, allowing ecological protection and tourism experience to run parallel. Partnering with Jian Qinglin, Cen Shoulin, and others, he builds hiking, meditation, natural education, and homestay projects, constantly adjusting courses and operations through monitoring data. After a sudden wildfire, the team promptly evacuates tourists, cooperates with professional forces for handling, and restores by zones. Later, research is published, courses and experiences gain recognition, Qinglin Valley is selected as a national forest health care demonstration site, forest recovery is achieved, and the health care industry develops steadily.