[7] Rosario (Bárbara de Regil) is a young student who, for the sake of destiny, becomes a hitman for León El Guero (Hernán Mendoza) together with her brother Brandon (Luis Alberti) and El Fierro (Christian Vázquez), all since raped by criminals in her neighborhood where she lives, and the murder of her best friend.

Later, Rosario murders Gonzalo González "El General" (José Sefami), after he killed Delia (Daniela Soto) her best friend.

In season two, after having escaped death, Rosario and Antonio finally manage to evade their enemies to be free, but as they flee they are forced to separate from each other.

Rosario is fooled by El Ángel (Sebastián Martínez) a mysterious and seductive man who hides a deep secret.

[8][9] In February 2016, TV Azteca showed interest in producing a remake of the Colombian series of the same name that Sony Pictures Television and Teleset made for RCN Televisión in the early 2010s, which TV Azteca would be making under the co-production of Sony Pictures Television and initiating a strategic alliance for 4 years.

[23][24][25] Filming on location took place in the La Presa neighborhood on the southeastern slopes of Cerro del Chiquihuite, in the municipality of Tlalnepantla de Baz in the State of Mexico.