Perivale, England, the late 1980s. People are vanishing into thin air under the baleful stare of a very strange cat. The Doctor and Ace learn that, in the battle for survival, success can carry a terrible price...

Damon Jeffrey, David John, Gareth Hale, Jack Talbot, Jean Channon, Julian Holloway, Kate Eaton, Kathleen Bidmead, Lee Towsey, Lisa Bowerman, Muriel Wellesley, Norman Pace, Sakuntala Ramanee, Sean Oliver, William Barton