The Open Door (La puerta abierta) is a prize-winning 1957 Spanish film based on the 1932 play Tűzmadár by Lajos Zilahy.

It was directed by César Fernández Ardavín and stars Amedeo Nazzari and Märta Torén.

[1][2] Shortly after settling in Madrid, the body of a murdered dancer appears.

His Don Juan condition, in addition to his vanity, make the police suspect that it is a crime of passion.

As the investigation continues, the doubts and jealousy of one of his neighbors threaten to damage his family life.