No One Else?

Louis had given up on love. After the death of his father, he seeks out the perfect bride. But his whole world is shattered when his ex-best friend tries to get a little too close for comfort. Months worth of secrecy are broken when an engagement brings it to a halt. Louis swears to everyone that she is his one and only.
But no one knows about the duke waiting for him or that he promised to him that there was no one else.