Isabella, manipulated by her stepmother, shares a night of passion with Nicholas. Unaware that she is the wife he married three years ago, Nicholas mistakes her for a prostitute. Later, using the fake name Estelle, Isabella disguises her true identity and works as an interior designer of Nicholas's new home. As they spend more time together, Nicholas has feelings for her and help her through a lot of difficulties. Isabella Becuase Nicholas misunderstood Isabella as a vain woman who only want his money, he despised Isabella, wishing to divorce her. Isabella fears Nicholas discovering her true identity and canceling his order, so she continues to pretend to be Estelle. Nicholas's feelings for Estelle intensify, but misunderstandings arise when Teresa, mistaken by Isabella as Nicholas's true love, returns home. With Nicholas's mother's interference, their relationship faces continuous turmoil. In the end, Nicholas finallly discovers Isabella is Estelle, he deeply regrets his actions, pleading for her forgiveness. They clear up all the misunderstandings and live happily ever after.

"Grace is the heir of the Charlton Group. She was rescued by the male lead Aaron during a kidnapping incident, but Grace didn't get a clear look at Aaron's appearance. Consequently, the scoundrel Declan claimed the identity of the person who saved Grace's life. In gratitude, Grace married Declan under an assumed name. To fulfill Declan's aspiration of becoming wealthy, Grace covertly used her connections to help Declan resolve various business crises. However, to Grace's surprise, once Declan succeeded, he immediately changed his attitude and demanded a divorce to marry Fiona, solely to gain a chance to meet the heir of the Charlton Group for better opportunities. Upon discovering that Grace herself is the heir of the Charlton Group, Declan swiftly regretts his actions and beggs for Grace's forgiveness. However, at this point, Grace already has three different types of billionaires—Aaron, Liam, and Nicolas—vying for her attention. Having experienced a failed marriage, Grace is reluctant to enter into another one immediately. Therefore, she presents various challenges to the three ibillionaires, hoping to deter them..."