This is the story of the legendary Rosario Tijeras, the beautiful warrior from a slum who fell in love with Antonio and Emilio, two handsome and wealthy young men. Antonio, a young architect, desperately rushes the dying Rosario Tijeras to a nearby hospital. The beautiful Rosario has been shot four times by a hitman. While he waits for his beloved Rosario to be saved from her wounds, Antonio recalls how Rosario, a beautiful teenager, became the murderer Rosario Tijeras. And how he, a dashing young man, makes her his obsession. The woman of his dreams.

Worlds collide when a vengeance-obsessed young woman from the other side of the tracks captures the attention of two well-off friends.