In the Kingdom of Marron, Charlotte, an heir to the throne, must marry the first man she sees on her twentieth birthday. It's as simple as being with her beloved before and during her birthday, but Charlotte doesn't have a boyfriend, and she begins a frantic search for her significant other. Then she meets Denio, an artist who makes her heart flutter, but Pierre, her aide, is always on her mind. Which man is fated to become her prince?