The Bisons, a secret society similar to the Freemasons, is holding its meeting at Woodcote Park. Large amounts of alcohol are consumed. On the way home, one of the Bisons, Derek Donaghue, is stopped for drink-driving.

Helen asks Rocky to take some of her chairs to sell at an antique shop. Roxanne, the shop assistant, realises that he knows nothing about antiques and rips him off. He and Helen come up with a plan to get his own back. He invites Roxanne for a slap-up dinner at Woodcote, then disappears while pretending to book them a room for the night. Helen makes Roxanne pay the bill!

Ken receives a peremptory phone call to meet a potential client, Vincent Brack. Brack wants Ken to watch his wife, Nina. Ken follows Nina to a pub where she changes into a tarty dress and blonde wig, and leaves without Ken realising. The following day he is ready for her and follows her to a club where he discovers that she works as a hostess and singer, using the name Susie. Suspecting the worst, Ken get

Lorraine Simpson is a red-headed young teenager who has just been released from borstal after serving a sentence for arson. Why has she kept a newspaper cutting which announces Ken's transition from fireman to private detective?

Fiona Harper, a guest at a nearby hotel, wants Ken to get evidence that her husband, Dennis, is having an affair. She tells him a sob-story about how he has moved his girlfriend into their house after kicking her out in to the street with only the clothes she is wearing. Ken, who can never resist a pretty damsel in distress, falls for this story hook, line and sinker. In fact ""Fiona"" is none other than Lorraine Simpson, who works at the hotel as a chambermaid. But it is a long time before Ken discovers this!

Ken watches the Harpers' house and sees Harper with his ""girlfriend"" (who is really his wife, Sue). He agrees to help ""Fiona"" break into the house while the Harpers are out so she can reclaim her possessions. While there, she fakes evidence of a burglary an