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 … Kentaro Sakaguchi, Mei Nagano, Rio Uchida, Noriko Eguchi, Ryohei Otani, Masanobu Takashima, Show Kasamatsu Added on Netflix 2023-06-05.