United Across Time, Fighting for Survival in Prehistoric Times

[Wilderness Survival] A group of graduates head to the Arctic Circle on vacation, but a strange tornado sweeps them away to an unnamed island. As they wait for a rescue team, people from the Song dynasty suddenly appear. The strangers from different eras form a team and fight to survive on the island. As their exploration goes deeper, they discover to their horror that the island's plants and animals are enormous, like prehistoric giants. There are towering trees, giant shrimp and crabs, bees the size of fists, spiders as big as faces, and clams as large as washbasins... They begin to wonder if they've traveled back to prehistoric times... A desperate situation, an unknown island, and a collision across time: they also uncover a secret hidden in this era...