Placed in Chile in 1973, shortly before the coup of Pinochet, the film tells the story of Lena, a flight companion what seems to visit her lover, Daniel, an activist who fights to maintain the power of Salvador Allende, the democratically elected by the people. When military troops take control of the city, Lena and Daniel are captured and he is taken with a mysterious van. Lena is released, but Daniel disappears completely. She tries to find it regardless of cost and after a few digs she arrives at Colonia Dignidad, a cult led by Guy P. Schafer. Lena decides to infiltrate this organization in order to find and save Dada.