Kazumasa and Kaoruko are in a troubled marriage and have agreed to divorce once their daughter's elementary school entrance exams are over. However, just before they are to rehearse for the family oral interview, they are informed of their daughter drowning in a pool. Rushing to the hospital, Kazumasa and Kaoruko are met with a heartbreaking situation. Adapted from the novel "Ningyo no Nemuru Ie" by Higashino Keigo.