Alan Parrish finds a board game called "Jumanji", which plays along with her ​​best friend Sarah. But the game has horrible consequences, to the point that Alan is absorbed by it.

26 years later, Judy and Peter, two brothers orphaned, move into the same house, find the game and decide to play. Innocents of the consequences of the game, start playing and then released to Alan, who had been all those years living in the jungle, in the game itself. He tells the boys that the game is very dangerous, and that to return everything to normal must complete the game, having to play everyone, including his old friend Sarah. When Alan sees Sarah after so long feels shocked. Alan tells Sarah what he suffered as a child, because nobody believed in telling of how he disappeared, and did not want to know anything about that game. He tries to reassure Sarah's fear felt by the game, and to convince her to finish.