In the quiet fields of West Cork, young Michael Collins grows up listening to stories of rebellion, Loyalty and the land. These lessons shape a determined young man whose life will soon be drawn into the struggle for Ireland's future. 

Far away in the industrial streets of Belfast, Patrick "Qwee" O'connor faces a different reality. As sectarian tensions erupt into violence, he is pulled into the shadowy world of the Irish Republican Army, where survival demands courageband unwavering commitment.

From rural Cork to the crowded streets of London and the battlegrounds of Belfast, Defying Donn follows men shaped by a nation in turmoil. As Revolution spreads and loyalties are tested, ordinary people must decide how far they are willing to go in the fight for Irish Freedom.