Dorami travels into space with the Doraemons to visit Space Land, an amusement park, while Doraemon himself stays behind. As they reach the entrance, a giant vortex pulls them in and wrecks their spaceship. Inside the park, one trouble follows another, until the group learns that an evil monster has set up every mishap to work against them. Dorami and the Doraemons have to step in and set things right in this fantasy adventure film.