Beneath the radiant sun of Japan, an enthusiastic young girl dashes into Wonder Land, the amusement park she has always longed to visit. She is greeted at the entrance by the exuberant "Mummy Man," who assures her that she can indulge in whatever her heart desires. The pair sets out on a thrilling exploration of the park.
Though onlookers perceive the Mummy Man as a cheerful mascot frolicking with the girl, there are growing suspicions among other officials.