Viri is a trendy bar waitress, Lissa works in a supermarket and sings hip-hop, Valeria veterinary studies, Yvonne tries to find a place in the world of music and Lourdes does tattoos on the premises of his brother Pogo. The idea of forming a pop group. When the group finally consolidates, an internal problem threatens to dissolve before the debut. But girls are not the same: the time spent together taught them that despite the differences there is none can separate because they are united by something that goes beyond the simple desire to sing.

The Colonel of the Extermineitors has discovered that McClain (McClain Randolph), old enemy of the organization, crime has left to live quietly in Iguazu Falls and wants working for him. That's how you develop a plan for Guillermo (Francella) perform McClain recruiting mission. The Colonel knows that William has a twin brother who never met and convinces him that the former offender is his lost brother ... Installed in Niagara, evading the thief who wants to kill Nico, an orphan who is in charge of William, MacClain convince that he is his twin brother, getting together to Buenos Aires to join the group of the Extermineitors.