When cowboy Billi and his sweetheart Rosa run away together, he is accused of her husband's death and becomes the symbol of a local uprising. Everyone wants his head and only Rosa knows the secret that could finally set them free.

Naples faces dual volcanic threats from Vesuvius and Campi Flegrei. Amid increasing tremors, archaeologists work as residents live anxiously, haunted by Pompeii's fate while emergency services strain.