Elya, 20, is a student and a future ecologist. One day, Matvey, the head of a construction company, came to her university to discuss the development plan for an old forest park. Elya did not hesitate to crush his project. Matvey is very interested in girls' confidence, And used his usual influence method - he just tried to ; purchase She, but Elya doesn't need a sponsor. Then, Matvey was surprised by her indestructibility and placed a bet on Elya: romantic seven days according to his rules. If the girl still decides to leave after that, he will refuse to build a skyscraper in the forest park. When Matvey really paused design work, she agreed. Elya thinks she's a bit like the movie 'Beautiful Woman' The female protagonist in, but it turns out that Matvey is not the person she imagined.
拿着哆啦美（千秋 配音）带来的参观券，他们和静香（嘉数由美 配音）、胖虎（木村昴 配音）、小夫（关智一 配音）等好友来到22世纪。辉煌庄严的博物馆内，收藏着被称作“秘密道具之父”的哈尔德曼博士以来发明各代道具。在博士的孙子库尔特（三瓶由布子 配音）的引领下，小伙伴们见识了各种熟悉与陌生的神奇道具，体会到前所未有的快乐。而在此期间，怪盗DX的行动仍在继续，谁也不知道他真正的目的…… 本片为朝日电视台开播55周年纪念作品。
