A British officer stationed in Ireland falls for the wife of an intelligence man.

William Powellas Capt. Bill Tennant
Edna Bestas Norah Kerr
Colin Cliveas Capt. Andrew 'Andy' Kerr
Hobart Cavanaughas Homer, Tennant's Aide
Halliwell Hobbesas General C.O. Furlong
Donald Crispas Peadar Conlan
J.M. Kerriganas O'Duffy
Henry O'Neillas Dan
Phil Reganas Young Irishman Killed by Andrew
Arthur Treacheras Merriman
Ernest Haller