James·Ansville plans to visit his future father-in-law, Avery, in London·Hume.Hume invites the groom to the sturdy room with metal shutters and thick wooden doors.This room contains prizes and arrows showing Hume's archery hobbies.While Hume poured wine from a glass bottle, the two talked about shooting arrows.Before he fell to the ground, Ansville realized that he had been drugged.When he regained consciousness, he realized that he and Hume were locked from the inside, and Hume had been killed by arrows.
Within a quarter of an hour, the young man became the most suspect in the secret room murder case.Will the balance of the law be tilted towards him?Henry, the legendary genius lawyer?Can Sir Merriville prove his innocence?What kind of ulterior motive is behind this shocking impossible crime?The hidden window of Judas slowly opened, and the wheel of fate began to turn……