I knew my ex-boyfriend's brother was off-limits.Now I'm stuck pretending to be this damaged billionaire's fake fiancee.Avoiding Christian Sanchester was so much simpler before I came back to Miami.Fake-dating the groom's best man for a month without falling in love? Easiest bet I ever won.Or it would've been - if his mother hadn't told everyone we're engaged.Behind the scenes, his jealous outbursts have us at each other's throats 24 7.Broad shoulders and a chiseled jaw can't make up for his possessive streak, but I'd be kidding myself if I said he wasn't . . . tantalizing.Now we're trapped together in this lie until he finds a way to break the news to his family, but that's not the worst part.The worst part is knowing it has to end.Off-Limits Billionaire Fiance' is a high-heat, enemies-to-lovers fake romance about a dominant alpha male who meets his match in his brother's smart, sassy ex-girlfriend.