Sister by Day, Mistress by Night

The Story

Rosa Ryan manipulates Duke heir Lucien Voss to secure her survival as the illegitimate daughter of a fallen nobleman. They maintain a deceptive daytime facade as distant cousins while engaging in a secret nighttime affair. Lucien soon becomes engaged to Sophia, prompting Rosa to arrange a marriage with commoner knight Jon for her escape. Her plan to flee collapses when she realizes Lucien refuses to release her.