The film begins in a BBC studio with the 100th edition of "In Town Tonight". Flotsam and Jetsom open with a "topical number". Then there is an interview with a distinguished actor, which dissolves into a performance of one of his famous melodramas about a wicked moneylender etc.
The Crimes of Stephen Hawke
A crazed killer known as "The Spinebreaker" is terrorizing London with a series of grisly murders. The police seem powerless to stop him.