This gender-swapped take on the horrific murder case of Junko Furuta shows how Jun Furuta's father tracks down the juveniles who murdered his son to find out why his son had to die and to exact his revenge.

“Hana-Dama”—a flower in the wasteland. This flower is a symbol of earthly desires and every human is overwhelmed by desire and their rationality collapses wherever the flower is in bloom. And even today, the “Hana-Dama” continues to blossom profusely somewhere in the world. The story is set in a film theater, the facility keeps on closing one after another during recent years. The last day has come to a film theater which has been maintained by a film-loving owner, the staff, and their unique audiences. The symbol of human desire, “Hana-Dama,” blossoms at the theater and instigates people’s erratic behavior. Upon facing its closure, tremendous chaos that will be noted in the history of Japanese film takes place within this film theater.

Transfer student Mizuki is bullied mercilessly by her classmate. Nevertheless, she is always able to maintain her composure. Kirie, who is also bullied, becomes interested in Mizuki and longs for her. The two become close.