The enemy strikes and strikes again, as George Ashton flees for his life after an acid attack on his daughter.
Who is his enemy? Only Malcom Jaggard, his future son-in-law, can guess - when, as a government agent, he sees Ashton's secret file.
In a desperate manhunt Jaggard outwits the KGB and stalks Ashton to the silent and wintry forests of Sweden. But his search for the real enemy takes him further still...