Watch The Back Stairs (1973) Official Trailer

The back staircase is used for the building owned by Omar, some residents. His son, Sami, a failed high school student, uses the stairs for his late return. A band uses a band to occupy one of the apartments, and they avoid meeting the doorman who demands a fee. The worker Nousa visits them through the back stairs, as she likes to dance and sing, then join the band.