As if the alien Vulpreen weren't enough, what remains of UNIT faces another formidable adversary. The mercurial Time Lord Missy is on the side of the Vulpreen, helping and encouraging them in their ambition to become the rulers not just of Earth, but of all Space and Time. Contains four new adventures: One Way or Another by John Dorney. Kate leads an attack on a Vulpreen prison camp, unaware that UNIT friends are being held there. As paths converge, Kate and Osgood have different perspectives on the attack, and specific dangers to overcome. Traitors' Gate by Sarah Grochala. Osgood is a prisoner in the Tower of London, which is now a Vulpreen base. To rescue her friend, Kate must devise a plan to raid her former headquarters. Inside the Tower, the Vulpreen are determined to access the Black Archive and the hugely dangerous alien technology it contains. How long can Osgood keep them out? The Destiny Labyrinth by Alison Winter. The UNIT team find themselves traveling through various epochs in Earth's history. The only guide they have is working for the enemy, and the Vulpreen are hot on their heels. Help comes from a new friend, a young healer who already has a curious relationship with time. True Nemesis by Andrew Smith. Under Missy's guiding hand, the Vulpreen are ready to strike out, to establish themselves as the new Masters of Time. UNIT's confrontation with Missy in the depths of Portugal's Douro Valley will decide the fate of not just the Earth but the whole Universe. CAST: Jemma Redgrave (Kate Stewart), Ingrid Oliver (Osgood), Michelle Gomez (Missy), Eleanor Crooks (Naomi Cross), Chris Lew Kum Hoi (Lieutenant Jimmy Tan), James Joyce (Josh Carter), Christopher Naylor (Harry Sullivan), Alisdair Simpson (Lord Varliss), Glen McCready (Bert Hockley / Jesden / Vulpreen Commander), Harriet Kershaw (Sorgan), Stewart Scudamore (Ashley Bassett), Donna Berlin (Lorraine Forrester), Oscar Batterham (Michel), Fiona Hampton (Kini), Harry Myers (Hugo da Costa / Crastor). Other parts played by members of the cast.