故事讲述不擅长运动的惠特尼·卡迈克尔 (Whitney Carmichael) 报名参加高强度的夏季训练营,以重塑自我,并爱上了她的私人教练。之后,她获得了力量,拥抱真实的自我,无视他人的期望。。The story follows a recent divorcee who spends her daily commute fantasizing about a seemingly perfect couple who live in a house that her train passes daily, but something shocking happens there one day.。