Floridante
In ancient Persia, King Oronte has usurped the throne and raised the rightful princess Elisa as his daughter Elmira. Oronte tries to prevent her marriage to the returning prince Floridante, then reveals his desire to marry her himself. After imprisoning Floridante and threatening Elmira, he is overthrown; Elmira becomes queen, marries Floridante, and pardons Oronte.