Amy works as a curator at the Royal Palace Museum in the small European country of Agon. There she falls for Prince Helios and the two start a secret relationship. However, as he is soon to become king, their relationship was never meant to last and he soon decides to throw a ball to choose his future bride. This breaks Amy’s heart as she realizes she’s in love with Helios. She decides to end the relationship then and there, but Helios urges her to stay…as his mistress!