Pablo Picasso’s mural Guernica is on display at the 1937 International Exposition. Both sides of the Spanish Civil War quickly realize that the painting contains clues to the whereabouts of the supernatural Spear of Destiny. Its occult power can change the outcome of the Civil War, just as it has done in other battles throughout history. As Paula’s imagination begins to decipher the hidden symbols, Francisco Franco’s secret agents are not far behind her. They are ready to capture the Spear at the most opportune moment, convinced that impulsive Paula will betray her quest for the Spear.