When siblings Judy and Peter discover an enchanted board game that opens the door to a magical world, they unwittingly invite Alan -- an adult who's been trapped inside the game for 26 years -- into their living room. Alan's only hope for freedom is to finish the game, which proves risky as all three find themselves running from giant rhinoceroses, evil monkeys and other terrifying creatures.

Four teenagers in detention discover an old video game console with a game they’ve never heard of. When they decide to play, they are immediately sucked into the jungle world of Jumanji in the bodies of their avatars. They’ll have to complete the adventure of their lives filled with fun, thrills and danger or be stuck in the game forever!

四名性格迥异的高中生意外穿越到险象环生的勇敢者游戏中，变身成为与自身性格外貌截然不同的游戏角色。面对丛林猛兽的袭击和邪恶势力的追捕，四人必须在冒险家（巨石强森饰演）的带领下，战胜重重危机，赢得游戏，才能获得重返现实的机会。