In the elevator of two large Parisian buildings, a telegraph operator discovers the body of an elderly woman, Madame Mathieu, the owner of both buildings. Boucheron, the local superintendent, is dispatched to investigate, along with his rival, Inspector Lambert of the "Sûreté". To solve the enigma, they scour staircases and corridors, visiting every floor of both buildings, courtyard and facade. Their gruff rivalry allows them to complement each other in discovering who committed the crime among...
Top Cast
LU
Lucien BarouxCommissioner Boucheron, district police officer
JA
Jacques BaumerInspector Lambert of the Sûreté
JU
Jules BerryAlfredo d'Avila, dancer of these ladies
GA
Gaby MorlayGaby Valrose, minister's lover
EL
Elvira PopescuMrs. Rameau, wife of an industrialist and mistress of Alfredo
MI
Michel SimonPicking, knife-throwing artist
AN
André LefaurMr. Corbeau, kleptomaniac
GA
Gaby SylviaMadeleine Martin, in love with André
AN
AndrexAndré Laurent, bank cashier, lover of Madeleine
SI
Simone BerriauLydia, singer at “Perroquet”, mistress of the President