影片改编自达西贝尔的同名小说，讲述的是斯蒂芬妮遇到艾米粒后，两人成为好友，某天帮助艾米丽接儿子放学，但艾米丽离奇失踪，斯蒂芬尼也发现了背后隐藏的秘密
斯蒂芬尼是乐观有些焦虑的单身母亲是一位博主，经常分享一些缓解伤痛的建议，也会给粉丝分享烹饪技巧在，某天接儿子放学时遇到了与自己完全相反的女人-艾米丽。斯蒂芬尼并不擅长社交，日子过得并不宽裕，艾米利则截然相反，十分自信，比较有钱，衣着光鲜，米粒与丈夫肖恩住在一所大房子之中，短短几日，斯蒂芬尼和艾米丽成为好友并敞开心扉倾诉，自己情绪上的困扰。
发现艾米丽突然失踪之后，斯蒂芬尼也开始寻找失踪的原因，最开始警方怀疑的是艾米丽的老公肖恩，不过斯蒂芬尼发现了一些细节，也让众人觉得斯蒂芬尼和肖恩并不了解艾米丽在寻找真相时，斯蒂芬妮发现自己有些喜欢肖恩也引起了警方的怀疑与注意，将斯蒂芬尼列入了调查范围，随着斯蒂芬尼调查深入，许多秘密也浮出水面。
The film is adapted from Darcy Bell's novel of the same name. Li picked up her son from school, but Emily disappeared mysteriously, and Stephanie also discovered the secret behind it
Stephanie is an optimistic and somewhat anxious single mother and a blogger. Fans share cooking skills. One day when picking up her son from school, she met a woman who was completely opposite to herself-Emily. Stephanie is not good at socializing, and his life is not well-off. Emily, on the contrary, is very confident, richer, and well-dressed. Mi Li and her husband Sean live in a big house. In just a few days, Stephen Ni and Emily become friends and open up about their emotional struggles.
After discovering Emily's sudden disappearance, Stephanie also began to look for the reason for the disappearance. At first, the police suspected that Emily's Husband Sean, but Stephanie discovered some details, which also made everyone feel that Stephanie and Sean did not understand Emily. Stephanie was included in the scope of the investigation, and as Stephanie's investigation deepened, many secrets surfaced.
