Eduardo Ugarte

The delirious journey of a mental disordered man, who is obsessed in making the perfect crime. (imdb)

The slight plot has a girl, left pregnant by a seducer, setting off to look for him when the child is born (the latter eventually proves a most amiable kid); she is befriended by a couple of ex-soldiers, even taking her in when they open a drugstore. Rubio falls for her and, though she reciprocates his affection, still hopes to rejoin her former lover.

Tin-Tan (Germán Valdés) is a mariachi incapable of finding work, until he is mistaken for a wealthy businessman, at which point his lustful and unbridled personality takes over and leads him into ever-increasing troubles.