Two lifelong friends find themselves at an impasse when one abruptly ends their relationship, with alarming consequences for both of them.

In 1920s Ireland young doctor Damien O'Donovan prepares to depart for a new job in a London hospital. As he says his goodbyes at a friend's farm, British Black and Tans arrive, and a young man is killed. Damien joins his brother Teddy in the Irish Republican Army, but political events are soon set in motion that tear the brothers apart.

The extraordinary story of the Irish War of Independence (1919-22): from the failed insurrection of 1916, the detailed account of how pro-independence Ireland rebuilt a movement whose efforts would eventually lead to the creation of a new nation. (Documentary film based on the miniseries of the same title.)