The reunion of twins who were separated since childhood, brings conflict when the older sister asks the younger sister to replace her while she goes on vacation with her secret lover. However, she is involved in an accident and has to postpone her return. Upon her return, she finds that her younger sister has taken over her life, causing jealousy and heartache. Finally, the secret is revealed and she chooses to be with her lover and let her ex-husband choose her younger sister.