L'avventuriera del piano di sopra (1941) on Netflix

Plot summary

Fabrizio Marchini is a young lawyer. His wife Clara is very jealous, and she has left home to attend her sister's wedding, so he looks forward to a quiet time by himself. That evening Biancamaria Rossi, a woman who lives in the same building, demands that he give her shelter. Her angry husband is searching for her, she says, and when Signor Rossi, who rents the flat above, comes down and insists on searching the rooms, Fabrizio hides her and lets him look. Rossi goes away without finding her, and Biancamaria takes the bed for the night while Fabrizio sleeps on the sofa.