In the winter of 1936-1937, in the Biscayan-Alevan front, militiamen of the CNT arrive in the village of Meroño with the aim of reinforcing the defenses against the imminent advance of the columns of requetés; Carlist soldiers adept at the cause of the rebels. Alicia, an anarchist militiaman, will establish a close relationship with Rosarito, a girl from the village, who will try to survive a war that will change her way of life forever.