London, the 1890s. As magician Li H'Sen Chang captivates audiences, a spate of disappearances amongst young women goes largely unnoticed. But almost upon their arrival, the Doctor and Leela find themselves confronting the feared Tong of the Black Scorpion, and a menace from another time. And there's something fishy in the sewers, too...
Quest roles:
Christopher Benjamin(Jago), John Bennett(General Finch), Chris Gannon(Casey), Trevor Baxter(Professor Litefoot), Deep Roy(Mr. Sin), David McKail(Sergeant Kyle), Conrad Asquith(P.C. Quick), Alan Butler(Buller), Tony Then(Lee), Patsy Smart(Ghoul), John Wu(Coolie)