Mongeville
The Iron Gate (5x1)
:
Warned of a danger at the medieval castle of Roquenoire, Mongeville and Valentine attend helplessly to the commission of an inexplicable crime. Behind the thick iron door that separates them from the donjon, Laurence de Sidonia is murdered live, without one finding either murder weapon or trace of the murderer. While Valentine tries to unravel the mystery of this perfect crime, Mongeville explores the meanders of this rich aristocratic family. Between the ghosts of the past and the rivalries of the present, a hazy investigation into the closed doors of the ramparts ...