After the Second World War, the United Nations has declared the blockade of Franco's Spain. In this historical context, for a time little known, lies the story of the widow of a Spanish army captain.

Alberto, "Zanahoria" and "Jabato" are three students of the Parachute School. They are the "lashing the air," friends, good partners but rivals and competitive in love. When they see Nati, a beautiful woman who falls in love with Alberto, jealousy will lead to situations that jeopardize their great friendship.