Story of the 1974 coup that overthrew the right-wing Portuguese dictatorship--which continued the fascist policies of long-time dictator Antonio Salazar--and of two young army captains who were involved in it.

Carlos is a professionally frustrated screenwriter, and Irene is not sure what she wants to do with her life. When Irene meets Carlos at a coffee shop, she approaches him and, although she doesn't know him, proposes to play a game.