The Angel
El Ángel (original)
A Spanish singer, known as "El Ángel", owner of a nightclub, lives a double life as an expert in alarms for gangs of thieves. In his last robbery, he betrays his partners, and his lover is kidnapped and he is blackmailed. Thinking that she has betrayed him, he abandons her to her fate. Finally, she committed suicide. El Ángel reconsiders his life and decides to become a monk. But his former life will meet him within the walls of the monastery.
Starring Raphael, Anna Gaël, Héctor Suárez, Roberto Camardiel, José Sacristán, Ana María Custodio, Rafael Alonso, Isabel Pallarés, Franco Pesce, Víctor Israel
Watch "The Angel" on FlixOlè released in 1969. It's a drama and music movie, and has a rating of 5.3 out of 10 from Imdb which is fairly okay for this kind of movie.