When the final phase of their escape plan is threatened, Lidia, Carlota, Marga and Óscar make a momentous decision together.

An unexpected ally seeking the ultimate revenge helps Lidia try and enact her plan to free all the prisoners from the women's prison camp.

Elisa reveals a startling secret as more of Lidia's friends are endangered. Sofía turns to an old friend for help protecting the prisoners from Carmen.

Lidia is desperate to save her imprisoned friend. Elisa discloses Carlos' fate. Marga realizes who betrayed her. Carmen targets Lidia's loved ones.

Lidia's defiance gets her into trouble at the prison camp, while Francisco concocts a plan to free her. Marga confides her secrets to Isidro.

When Madrid falls to the Nationalists, Lidia and most of her friends must face widespread grief and devastation, with long-term consequences.

Carlos and Lidia encounter trouble in their search for Sofía. Carlota visits the western front with James, to Óscar's chagrin. Pablo goes missing.

Óscar and Carlota risk their journalistic integrity in exchange for helping Lidia with Sofía. Marga falls ill while running a dangerous errand.

Lidia's friends — both old and new — help her attempt to force Carlos to call Sofía back from the front lines. Pablo looks for ways to avoid enlisting.

Lidia leaves New York and returns to Madrid in search of Sofía, who has run away to join the Republicans in the Spanish Civil War.