Lady Constance Montgomery is a smart and independent girl who is interested in astronomy. Yielding to the requests of her parents, Constance agrees to marry a wealthy man and goes to her groom in Bombay. After surviving a shipwreck, she finds herself in the emirate of Marimon, ruled by the young, European-educated Prince Kadar. A passionate romance breaks out between the ruler of an exotic kingdom and an English lady, fueled by a secret carefully guarded by the prince. He is also not free, he is engaged to a princess from a neighboring emirate, and the wedding is soon to take place. Will lovers be able to overcome the oppression of centuries-old traditions? Will love be stronger than prejudice?