Archer and Harry attempt to drive the king out of London, but things do not go to plan and Sylvia becomes an unlikely ally. Following a rough interrogation with a badly shaken Barbara Barga, Kellermann is hot on Archer's heels. With Huth desperate for the atomic secrets, will the showdown at Bringle Sands end in triumph for Archer and the Resistance or will Kellermann have the last laugh? (thetvdb.com)