The story focuses on a group of mothers who all have children around the same age. These women form a bond through sharing their anxieties about raising their children, each coming from a different background. However, the friendship between the five women also turns to jealousy and betrayal, due to the fact that their children are all taking similar entrance exams for elementary school.
Anne plays the protagonist Yuko, whose set of values as a woman, wife, and mother have been overturned, and she struggles to climb back from her fallen state.
Meanwhile, her four fellow mothers are hiding serious problems at home, despite their appearances. Ono Machiko plays a woman receiving verbal abuse from her husband on a daily basis, Kurashina Kana plays a “yankee mama” who got pregnant as a teenager by a truck driver, Ryo plays a capable woman running her own online shop, and Kimura Yoshino plays a popular reader model for a women's magazine.