Suffering from severe abdominal pain, Kindaichi collapses and is taken to the renowned Seisei General Hospital in Fudoyama City. However, by chance, Kindaichi discovers a corpse in the hospital restroom. On the victim's neck, there is a clear injection mark, and a "bell" has been deliberately placed on the floor. This bell is said to be the "Death God's Bell," connected to a tragic incident that occurred in the hospital three years ago. 　　 Suddenly thrust into a murder case, Kindaichi faces a series of unfolding events, gradually clarifying targets, and the "other face" of those involved... What is the motive behind the cold-blooded killer's crimes? What is the true meaning behind the lingering "Death God's Bell"? As Kindaichi steps into the hospital haunted by an ominous death god, will he be able to uncover the truth and reveal what really happened?