After a cruise ship sinks, Lin Ye is stranded on an uninhabited island with only a lighter and a folding knife to start with. Drawing on his extensive wilderness survival experience, he searches for fresh water, builds a campsite, and hunts for food. Along the way, he rescues Huang Ziyu, Luna, and other survivors, forming a survival team. When confronted by hostile gangs on the island, threats from wolves and wild boars, and sudden disasters such as tsunamis and pirate attacks, he leads the group in overcoming every crisis. He also encounters King Kong, a monkey with human-like intelligence, and discovers a mysterious hidden realm behind a waterfall. In this perilous wilderness, amid tests of human nature and challenges to survival, he carves out a path to triumph against all odds.