Marfil Cortés, the daughter of a powerful Spanish businessman, watches her perfect life in New York turn upside down when she is suddenly kidnapped and released without any apparent explanation. Her father then decides to hire the enigmatic Sebastián Moore as her bodyguard. Forced to spend every minute together, and although they initially clash due to her indomitable spirit and his reserved nature, an irresistible attraction begins to grow between them. Upon returning to Spain, with the threats intensifying, they must navigate a world where no one is who they claim to be and nothing is what it seems.