A young Roman boy, raised in the strict confines of Catholicism, is destined for a life of religious devotion. His world is turned upside down when he receives a divine calling to become a missionary and rid Ireland of its pagan "snakes" - a metaphorical representation of the native Irish tribes.
Sent to the Emerald Isle, Patricio's journey is fraught with challenges. He grapples with the stark contrast between his Roman upbringing and the wild, spiritual nature of the Irish people. As he establishes Christian communities, he becomes increasingly entangled in a complex web of faith, power, and cultural clash.
Patricio's unwavering conviction slowly morphs into ruthless fanaticism. His once noble mission becomes a destructive force, tearing apart the land and its people. As the lines between conqueror and conquered blur, Patricio is forced to confront the consequences of his actions and the true nature of his faith.
Ultimately, the series explores the tragic downfall of a man consumed by his mission, revealing the human cost of religious zeal and the enduring spirit of a people fighting for their identity.