Ai comes to this small hospital as a nurse. Her sole purpose for taking the post is to track down a friend's whereabouts. While working, she gets closer to the secrets hidden by the hospital and its patients, pulling on the thread of truth. However, the reality awaiting her is an unprecedented level of play from the patients. Even with her brightness and fortitude, she is eventually swallowed by a great evil. Can she recover her true self from the cunning and insidious trap and return safely? The third installment of MAXING's acclaimed crime suspense series depicts a frenzy that pushes actress Ai Sayama beyond her limits, with the series' largest amount of semen and an infinite hell of orgasms.