Obsesión (1977)

Nino is a teenager who falls in love with his best friend's sister, a girl older than him, so his friend makes fun of him. But in the absence of a relationship with her, he will console himself with Angelines, a sixteen-year-old girl who has just arrived new to the city and works in her house as her servant. However, Nino's mother will find out about her relationship and fire Angelines, causing Nino to lose all hope with the female gender.