A legacy of spies

Peter Guillam, former disciple of George Smiley in the British Secret Service, has long retired to Brittany when a letter arrives, summoning him to London. The reason ? Cold War ghosts have come back to haunt him. Intelligence operations that were once the toast of the Service are being dissected by a generation with no memory of the Berlin Wall. Somebody must pay for innocent blood spilt in the name of the greater good ...