![Parallel World Love Story](https://image.tmdb.org/t/p/w185/kgllWBNb2xzv8Xirt7HErDFyJMg.jpg)
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.