Nombre original: 鍵のかかった部屋SP
Fecha de estreno: 3 de enero de 2014
Película
Tiempo promedio: 115 minutos
Géneros: Misterio
Sinopsis: Erika Toda joins a law firm headed by Serizawa-san, on the first case she meets Enomoto Kei of Tokyo total security who unlocks Serizawa who has accidentally been trapped in a vault. Form thereon the trio solve 10 cases related to the locked room. Enomoto always makes a small scale model and thinks technically in terms of security and locks to solve cases, while Serizawa assists by hinting some circumstantial evidences. Serizawa is always ready to take credit of new found fame.
