The third princess, Clara, is to be married to the Duke of a neighbouring kingdom. But the Duke has three mistresses, and for some reason she can’t meet any of them, or the Duke himself. When she is left alone in her villa, she decides to hide her identity and go to town to live. She lives the life of a commoner and is enjoying it. But her brother and his knight are visiting a neighbouring country, anxious to hear from her. Will the knight who once gave up his feelings for her be able to find her again?