Viggo Mortensen plays a man who swaps identities with his twin brother. Agustin (Mortensen) appears, from the outside, to have an almost perfect life. Married to the beautiful Claudia (Soledad Villamil), he has a well-paid job as a paediatrician and lives in a pleasant Buenos Aires home. However, the arrival of his brother Pedro (also played by Mortensen) coincides with a period of personal crisis for Agustin. When Pedro reveals that he is suffering from terminal lung cancer, Agustin sees an opportunity to start a new life. Switching identities with his brother, he returns to the Tiger Delta region he grew up in and a simpler, if far from straightforward existence. There are difficulties when he discovers that Pedro is in trouble with a local criminal group, but hope in the form of his fledgling relationship with Rosa (Sofia Gala)…