Perfumery genius Ella uncovers her fiancé Carter's conspiracy at their engagement banquet. She is framed with a massive debt of 30 million, has her mother's precious heirloom necklace stolen, and is left abandoned and disheveled on the streets on a rainy night. By chance, she encounters Sebastian, a top-tier magnate suffering from mania. Ella's unique natural scent can soothe his out-of-control mind. They sign an employment agreement, with Ella becoming his private therapist. Sebastian helps her settle scores with her enemies, retrieve her stolen belongings, and fully supports her perfumery career. After enduring family opposition and a kidnapping crisis, Ella overcomes her past trauma and is enveloped in his extreme affection. She stays with Sebastian, achieving success in her career and a fulfilling family life.
