It tells the love triangle between Cristina, Javier (her future husband) and Felipe (her ex of a lifetime). After her bachelorette party organized by her best friend Catalina of hers, Cristina discovers that she is pregnant, and she does not know which of the two is her father. In the fourth month of pregnancy, the doctor gives them the results of the paternity test, giving an unexpected twist to the story.

Freddy, a 48-year-old bachelor with no children, who continues to live as if he were a teenager, meets Aylín, a 30-year-old girl who arrives in Lima, and is surprised that she could be his daughter.

Based on a theater musical, this movie is set in the city of Lima, Peru during the end of the 80's. The plot is about a group of youngsters from Lima who are participating in a contest for the best new Peruvian rock band. All these while they have to deal with the worst economic situation in Peru, corrupt leaders and terrorism that is rampant throughout the country. Features very popular Peruvian rock songs from the 80's and 90's.