Urashima Taichi, a middle-aged company man has a dream of to stay in a deluxe hotel at least once. Moguro convinces him to try it, and tricks him into going with a young woman who he thinks is his wife. When he finally leaves and goes home, he finds that a long time has passed, and someone else has been living in his house for the past 10 years. The story is based on the legend of Urishima Tarö.