In 2009, and after 22 years in prison, a former ETA's terrorist named Santi is released due to the Parot Doctrine (a polemic judicial resource to liberate activists and terrorists according their sentences and years in detention). Santi travels a little town of Cabo de Gata, Almería (south to Spain) to meet Emilio, a friend and former cellmate. During a visit to the hospital where Emilio in, Santi meets accidentally Marina, who faints after to see him. Obsessed with the killer of her father when she was 8 years old (who died when both walk by the street, being witness of the crime), Marina watches Santi and one day she close to him. After shooting him three times, Marina escapes from the place, just to return minutes later to use all her knowledge as doctor to heal his hurts. Meanwhile Marina's husband starts to suspect about her strange behavior, Santi finally heals of his hurts, at the same time that he and Marina tries overcoming the painful past that it binds them, in a stranger relationship that will change everything around them...