The last round (1970)

Carmela, a 50 years old tough lady, wakes up in a crumbling, cantina, her head pounding and memories hazy. Confused and disoriented, she confronts Agustín, the enigmatic bartender who seems to know more than he lets on. He helps her remember fragments of the night before that led her to this desolate place. As the truth unfolds, Carmela must face the painful reality of who truly deceived her.