The Prince's Spy Bride

Evelyn Yates was despised by her father. Saved by Crown Prince Quentin Landon, she fell in love with him. Quentin promised to marry her, but married her sister, Jasmine Yates. To ascend the throne, Quentin married Evelyn off to Second Prince Julian Landon to spy on him, promising to take her back. Evelyn fell in love with Julian. Discovering this, Quentin plotted to kill Julian and took Evelyn back.