Thalassa, the young and brave princess of the tribe of Lemnos, sees her civilization's future threatened and her world completely shaken by the arrival in her island of Elephthera, an audacious Amazon from Aretias, who seeks help for her tribe and the whole nation of warrior women after a ravaging attack of Sarmatian nomads. With the aid of their fellow sisters, they will embark on a thrilling mythological journey to save their own lives and their entire race. It will take them from Greek waters to Fezzan in the heart of the Sahara desert, and back to Aretias to face a final decisive battle that will define the course of their culture's fate. Theirs will not only be a physical, but also a spiritual quest, through which Thalassa's dark secret, hidden in her mysterious eyes, will be revealed, and an unbreakable bond will be created between these two courageous women.