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.

• FINE Entertainment
• Warner Bros. Japan
• Kentaro Sakaguchi
• Mei Nagano
• Rio Uchida
• Noriko Eguchi
• Ryohei Otani
• Masanobu Takashima
• Show Kasamatsu