Do you believe that there exist countless parallel universes that are exactly like the world you live in? Jiang Xiaoyuan finds herself struggling with her identity as she travels across parallel universes that never seem to intersect. In her original world, she is an invincible wealthy daughter, but in another place, she becomes an ordinary working girl who has absolutely nothing. Along the way, she meets the mysterious Qi Lian and together, they search for the truth involving the mystery surrounding her. Stripped of wealth, family background, appearance, and education, Jiang Xiaoyuan sets herself on a journey to find pieces of her "real" identity.

该剧根据priest的晋江文学城小说《脱轨》改编。讲述了一次暗藏玄机的“穿越”，让富家千金江晓媛身份倒转为同名同姓的打工妹。挣扎生存之际，她与神秘竹马祁连相遇并共同寻找真相。在勘破迷雾的路上，两人亦携手共谱爱情与事业，上演励志人生。

富家千金一覺醒來，竟置身平行世界，而且還無錢無勢。她努力從一位神秘的陌生人身上找出真相，或許也能共譜戀情。