Eighteen-year-old Nina Caulfield dreads reconnecting with Luca de Milano—her mother's affair shattered his family and created a rift she never wanted to bridge. When her mother announces an upcoming wedding in Spain, Nina finds herself with nowhere else to go but under Luca's roof for the next year. Luca, a ruthless Merger and Acquisition CEO at Milano Inc., never expected to become guardian to the daughter of the woman who destroyed his parents' marriage. Forced into close quarters, the tension between them ignites into something neither can deny. As chemistry crackles beneath every glance and argument, Nina and Luca must navigate the dangerous line between hatred and desire. Can they overcome the family secrets and betrayal that bind them, or will their complicated past consume the unexpected connection growing between them?