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.
