On their anniversary, Tessa is finally ready to gift her boyfriend her virginity—only to discover he's already sleeping with her cousin. Meanwhile, her work life is no better, with a toxic manager who steals her ideas and makes her daily life a living hell. When she's blindsided with a terminal Leukemia diagnosis, she snaps: quits her job, dumps the cheater, and begins checking off the items on her bucket list. After a chance encounter at her lowest, captivating CEO Cassian Vaughn can't get her out of his head. Knowing she needs help, he offers her a deal: he'll fund the entirety of her last wishes if she does him the small favor of posing as....his fiancée!