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.

Masked Ward

21-year-old Misora Honzawa went to Tokyo from Aomori. Misora Honzawa happens to see Kumi on TV who is a yoga Instructor and model. By chance, the two women begin to live together.  At first Misora Honzawa, who is easygoing, and Kumi, who is high maintenance, do not get along with each other. Because they share interests in yoga they eventually become closer and think about happiness and life.