On the night of her thirteenth birthday, Andi Mack's world is turned upside down when she discovers that whom she believed to be her sister, Bex, is actually her mother.
在她十三岁生日那天晚上，安迪麦克的世界变得颠倒了，因为她发现她认为是她的妹妹，贝克斯，实际上是她的母亲。