After a luxury cruise ship is struck by a disastrous shipwreck, a group of survivors find themselves stranded on a deserted island. Lin Mo disagrees with the others at the camp and sets off to find another way to survive with the sisters Ding Yaxi and Ding Yacen. Drawing on his solid wilderness survival knowledge and skills, he builds a safe cave shelter and secures a steady supply of fresh water and food. Meanwhile, the communal camp faces dwindling supplies and frequent dangers, while internal conflicts continue to intensify. With ample reserves and formidable survival skills, Lin Mo gains a clear advantage in surviving on the island.