Drei in fremden Betten (1996)

"Drei in fremden Betten" is a 1996 Comedy movie directed by Otto Retzer and starring by Helmut Fischer, Fritz Wepper. Hoteliers Otto and Ludwig König run a luxury hotel at Munich's Viktualienmarkt. They are surprised by a visit from their rich sister Nane, owner of the Hotel Sacher in Vienna: she wants to marry for the fifth time and this immediately causes alarm among the brothers. The future husband, Dr. Brösel, is put under the microscope.