Primer Amor... a mil por hora tells the story of a fourteen-year old girl named Giovana Luna (Anahí) and the obstacles she has to overcome to find happiness with the love of her life León Baldomero (Kuno Becker), in a world where teenagers try to live their lives too fast without considering the consequences. The obstacles for the couple are not few; in the first place we have Catalina, Giovana’s mother, who insists that her daughter have a fifteenth-anniversary party, which will cost well over the financial possibilities of the family. She also total disapproves of her daughter’s relationship with León Baldomero, who she considers has no money or future.