Private nurse Ichiko feels almost like a member of the Oisho family. Not only does she care for the grandmother, she also has a close friendship with eldest granddaughter Motoko. Then one day Motoko's younger sister Maki disappears and soon afterwards Ichiko’s nephew is accused of being her kidnapper, causing rift between the Oisho family and Ichiko. As both her professional and private life suffer in the media spotlight, Ichiko feels the ground slipping away beneath her feet.
In this compelling drama filmmaker Fukada Koji calmly reveals a darker side to Ichiko, played by actress Tsutsui Mariko. She also impressed in Fukada's previous film Harmonium, winner of Un Certain Regard at Cannes in 2016. And as in Harmonium, so in the intriguing A Girl Missing, loss gives rise to madness, vengeance and desire.