Rose Kaufman is a glorious sinner. A cheater, drinker, and a committed liar. When the devil himself comes to Rose with a single proposition, she can't help but accept. How could she refuse a deal that could give her everything she could ever desire? In return, he doesn't want her soul or her life. He wants her to date his son, Lucien, a man with a hellish pedigree.

For months Summer is trapped in a cellar with the man who took her - and three other girls: Rose, Poppy, and Violet. His perfect, pure flowers. His family. But flowers can't survive long cut off from the sun, and time is running out...