A Young man from a wealthy family hide them his attraction for tango culture of arrabal. In a milonga he fell in love with Mirella and he have a knife fight with all others guapos that want her, he won. Time pass and Mirella became a mistress but this situation is unstable because of the society prejudices.
Unfortunately the movie Los muchachos de antes no usaban gomina is not yet available on HBO Max.
| Sound | Alberto Soifer | Music |
| Art | Ricardo J. Conord | Production Design |
| Writing | Manuel Romero | Writer |
| Crew | Francisco Múgica | Cinematography |
| Directing | Manuel Romero | Director |
| Writing | Mario Bernard | Writer |
| Editing | Francisco Múgica | Editor |
