There Be Dragons is an epic action-adventure romance set during the turmoil of the Spanish Civil War. The story traces the lives of two young men, Josemaria Escriva (Charlie Cox) and Manolo Torres (Wes Bentley), childhood friends who are separated by the political upheaval of pre-war Spain to find themselves on opposite sides as war erupts. Choosing peace, Josemaria becomes a priest and struggles to spread reconciliation by founding the movement Opus Dei (work of God).
Manolo chooses war and becomes a spy for the fascists. He becomes obsessed with a beautiful Hungarian revolutionary, Ildiko, who has joined the militia in pursuit of passion and purpose. But when Ildiko rejects him out of love for the courageous militia leader Oriol, Manolo's jealousy leads him down a path of betrayal.
As personal and national battles rage, the characters' lives collide and their deepest struggles are illuminated through the fateful choices they make. Each will struggle to find the power of forgiveness over the forces tearing their lives and friendship apart.