All humans across the globe are thrown into wilderness survival. Lin Ye starts with only a hollow tree trunk, yet builds his home step by step through wisdom and labor. He unites partners, makes good use of abilities, fells trees, farms, builds water conservancy, resists disasters and invasions, and develops the broken hollow tree into a solid fortress. Facing natural disasters and man-made calamities, he consistently strives unceasingly, works hard and cooperatively, guards his home, creates life with his own hands, and opposes getting something for nothing and harming others for personal gain.