On Gallifrey, someone on the high council is perpetrating a treasonous act - transmitting the Doctor's bio-extract from the space/time matrix to an anti-matter being. On Earth, two English lads spend their last night in Amsterdam sleeping in a crypt where they're attacked by an alien creature under the same anti-matter being's control.
Quest roles:
Colin Baker(The Doctor), Michael Gough(Councillor Hedin), Ian Collier(The Renegade (voice)), John D. Collins(Talor), Elspet Gray(Chancellor Thalia), Leonard Sachs(Lord President Borusa), Paul Jerricho(The Castellan)