On August 22, 1922, Michael Collins, commander-in-chief of the new Irish Free State, is killed by a single gunshot during an ambush at Béal na Bláth in County Cork. The film reconstructs his final journey through the Irish Civil War, from the guerrilla campaign that made him the IRA's most wanted man to the Anglo-Irish Treaty negotiations that split the republican movement he helped build. Historians examine the competing theories behind the ambush: a chance encounter with anti-Treaty fighters, a planned execution tied to Éamon de Valera, or betrayal from within Collins's own circle. Archival photographs, maps of the ambush site, and expert interviews trace how a leader who survived years underground against the British died within months of securing Irish independence. The film weighs the physical evidence from the scene against the political rivalries of the time, leaving the exact circumstances of the fatal shot as disputed today as they were in 1922.