Complete the following sentence: In Belfast, September 1983, in the middle of The Troubles, Sergeant Sean Duffy, one of the few Catholics in the Royal Ulster Constabulary (RUC), is drummed out of the RUC on fabricated charges. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ MI5 <unk> Duffy <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> Novel follows Duffy's attempts to solve a locked-room murder in order to obtain inside information on McCann's whereabouts, which finally leads to the
Attempted assassination on British Prime Minister Margaret Thatcher in Brighton.