The girly and rich Scarlet from Lan Angedia meets the geeky and beautiful Beline from Kannance on a family trip to her bungalow. Both are attracted by each others lifestyle, and they confess they would love to have a life like the other. The next morning, they realize their life's has been exchanged. Everything's fine at the beginning, but later both fall into numerous troubles. They have to help each other out and even find a way to get their real lives back. This exchange would change them forever...or would it?