This uneven, wartime drama delves into the complexities of the political situation in Northern Ireland, compounded in World War II when the IRA collaborated with the Nazis against England, their long-time foe. Robert Mitchum stars as the heroic Dermot O'Neill, willing to join the IRA yet unhappy with their ties to fascist Germany. His interaction with the local IRA unit is intense and occurs at the same time as his love affair with Neeve Donnelly (Anne Heywood). His buddy Sean Reilly (Richard Harris) is also around to lend moral support when a situation calls for it. Between Dermot and his relationships and family clan, and the political intrigues, things can get a little crowded at times.