Isolde signs a three-year mistress contract with Savien Thorne to cover her mother's medical bills. The agreement is nearing its end, but she discovers a pregnancy that threatens her escape. Savien's arranged fiancée uncovers the secret and torments her. Isolde reveals a hidden truth: she was always a double for another woman. She moves out and severs all ties, but Savien refuses to let her go.
