On-call substitute doctor Shugo suddenly finds himself faced with a terrifying criminal in a clown mask. The assailant demands that Shugo treat injured high school student Hitomi. The perpetrator sets siege to the building and Shugo finds himself confined with 64 unknown patients.
Screenplay: Mikito Chinen, Hisashi Kimura
Director: Hisashi Kimura
Producer: Masayuki Morikawa, Ikumi Taguchi