The story
Three years married, pretending to be her twin sister.
Hannah's grandmother is dying, and to save her Hannah agrees to spend three years living as her twin sister. That means stepping into her sister's marriage. Her husband has no love for her, he's cruel to her, and he can't let go of his first love. Hannah puts up with all of it until the three years are up. Then she takes the money she earned and leaves. Only once she's gone does he see what he threw away, and by then it's too late.