To uncover the truth behind her father's death, Amanda disguises herself as Linda and marries Spencer, the powerful head of a wealthy family, becoming the "stepmother" of his son Patrick. Patrick is none other than her true love from six years ago; at the engagement banquet, he recognizes her at once and approaches her step by step, disregarding their new identities. While maneuvering through the dangerous situation, she secretly investigates and discovers that Simon and Daisy are the real culprits behind her father's murder. When the conspiracy is finally exposed, Spencer willingly steps aside, allowing Amanda and Patrick to break free from the taboo and spend the rest of their lives together.
