A young woman carrying an unimaginable responsibility. A young man torn between love and honor. A jealous king who will stop at nothing to keep his crown.

Northern Spain, October 1944. Several groups of guerrilla fighters, former Republican soldiers exiled in France after the end of the Spanish Civil War, infiltrate the country in order to provoke a popular uprising against General Franco's dictatorship.

In 1917, outside the parish of Fátima, Portugal, a 10-year-old girl and her two younger cousins witness multiple visitations of the Virgin Mary, who tells them that only prayer and suffering will bring an end to World War I. As secularist government officials and Church leaders try to force the children to recant their story, word of the sighting spreads across the country, inspiring religious pilgrims to flock to the site in hopes of witnessing a miracle..

该剧改编自真实事件，一名军情六处的双面间谍和女儿被投毒，与他们同处一个小镇的人都身陷危险之中，警方需要竭尽全力保护他们。