Chilean writer Mariana Callejas and American Michael Townley, a seemingly happy couple with children, have covert lives as agents of the Chilean secret service and carry out assassinations the 1970s.
Letelier's crime shakes the world and the regime suffers.
Orlando Letelier, former minister and ambassador of President Allende, leads the Chilean opposition from Washington D.C.; Sarmiento thinks a hit is unprecedented and suicidal.
Two anti-Castro Cubans run away to Chile after committing a wave of attacks and take refuge in Mike's home; Mary meets a boy who catches her attention in the literary workshop, Mike suspects and spies on her.
An Italian terrorist visits Chile to perpetrate the next objective; an error and misunderstandings make the mission a failure; Mike must return to Chile, while Mary stays in Europe.
Mary and Mike travel together to Buenos Aires for their first attack; Mike has difficulty carrying out his mission; Mary has an encounter with an old flame.
A Spanish priest accused of collaborating with the resistance is tortured in the garage, while the family celebrates the youngest child's birthday with a pool party just outside.