Ex-con Kris Chaney seizes the daughter of a Colombian gangster to fulfill a noble promise to the young girl's mother. When her father enlists both the criminal underworld and a psychotic killer to exact his revenge, Kris relies on everything he's ever learned to stay alive and keep his word.

Mandrill es un asesino de alto nivel cuyos padres hace muchos años fueron asesinados a sangre fría por un despiadado capo de la droga. Ahora se encuentra finalmente en posición de vengarse. Pero como se enamora precisamente de la bella hija del despiadado asesino, Mandrill ahora se enfrenta a la decisión más seria de su vida...

A powerful Argentine gangster uses everything in his power to stop the woman that wants to kill him, a sexy mercenary known as "the machine gun woman". The staggering sum of cash he offers for her head sets in motion an army of hitmen. And also, by accident, bursts in the life of naïve DJ Santiago, a common youth that will have to steel his guts against the underworld, and above all, survive the irresistible - and bloodthirsty - Machine Gun Woman.