 Antónia returns home in despair, not realising that her estranged husband Manuel is also a coup plotter.Manuel and his colleague prepare to seize control of the Rádio Clube Português, a radio station, from which communiques on behalf of the Armed Forces Movement will be broadcast.Meanwhile, simultaneously, Maia and his troops are preparing to set off for Lisbon, and the other coup plotters are also preparing to move into position.