El canto del gallo is a 1955 Spanish drama film directed by Rafael Gil.
In Hungary, during World War II and at a time when religious were being killed, Gans, a powerful communist commissar, saves the life of Father Miller, a former classmate. But in return he forces him to abjure his Catholic faith and go live with a prostitute. After that, Father Miller commits other sins such as denying confession to a dying man or ratting out a fellow priest. But repenting of his conduct, he returns to his old parish, where he will meet Gans again.