Spencer is coming home from College for the holidays. He will have to look after Eddie's grandfather, who moved in with the family after surgery. On the day when the survivors of the Jumanji adventure were supposed to meet for Breakfast, Spencer unexpectedly doesn't show up, so Martha, Fridge, and Bethany go to his house, where they find a broken video game in the basement. Friends try to understand what happened, but they themselves are drawn into virtual reality, and with them go grandfather Eddie and his old friend Milo. The new team will have to find Spencer and go through new levels of the game