The thought of a loveless marriage is hateful to Marie-Celeste, but she is a princess and must submit to the will of her father and the interests of the state. Shortly before the wedding, she decides to take a reckless action - she secretly leaves the palace and fulfills her old dream - she goes to Paris. How nice it is for her to feel like an ordinary girl, at least for a while - to dance the polka, walk along the Seine embankment and fall in love, completely losing her head...