The Impossible Character of Stone Carving Villa

The story takes place in a huge manor in Frankfurt in 1958. Detective D was invited by Officer Y to Brigot Manor to solve a series of unsolved cases that the police considered "impossible." But when Detective D entered the manor, everything changed strangely... After constantly learning about the hidden truth behind the case, an old story about the war and comrades-in-arms was narrated through an invisible mouth...