The series tells the story of the legendary and terrible Rosario Tijeras, a beautiful woman raised in a marginal neighborhood that at age 8 was raped and several years later was raped again by a group of men and took revenge by cutting him Antonio de Bedout and Emilio Echegaray, one of them testicles with scissors (hence his name), who has a stormy love with a pair of inseparable friends from wealthy families. Their lives are distant will unite when faced with the magic beauty of Rosario, who takes them to a world full of danger and ferocity, where she is a victim and an instrument of death.