Upon awakening from unconsciousness, Adelina realizes she has transitioned from being a surgeon to the wife of Alpha Estevan. Despite her deliberate ignorance, she struggles to secure the favor of Alpha, while her cunning and beautiful sister Sabrina plots to replace her in the legitimate marital position to win Alpha's love. Armed with knowledge and expertise from a parallel world, Adelina refuses to remain passive. However, the question remains: how can she win back her husband's heart and become his one and only sweetheart?