Series 4

1. In at the Deep End

1975-05-27 · 50m

""See for yourself, sir - you were booked in as a single. Mrs. Shaw wasn't with you, sir. You were alone.""

2. A Slight Case of Matrimony

1975-06-03 · 50m

""I simply said every time we run into the Reverend Mr. McNeill he glares at us. As if we're living in sin because HE didn't marry us!""

3. No Second Chance

1975-06-10 · 50m

""It shouldn't be there. There comes a time in the life of gelignite when it loses its sense of humour.""

4. A Murmur of Malice

1975-06-17 · 50m

""Yes. I can't be sure, but it looks as though one of them must have found out about me.""

5. The Italian Debt

1975-06-24 · 50m

""You believed those two men came from the Water Board, so you let them in...!""

6. A Lady of Considerable Talent

1975-07-01 · 50m

""David, I think I've put my foot in it. But what IS Mr. Sutherland doing in Edinburgh?""

7. Creatures in a Private Zoo

1975-07-08 · 50m

""Still and all, why would somebody be on the river signalling at that time of night?""

8. A Good Place for Murder

1975-07-15 · 50m

""There's not much I can tell you - except that a very likeable police officer seems to have got himself into considerable trouble.""

9. A Matter of Self-defence

1975-07-22 · 50m

""Ten to one it's grisly. They seem to reserve those for the small hours!""

10. The Rag Doll

1975-07-29 · 50m

""The poor wee soul's dead. An inquiry isn't going to help her.""

11. The End of the Good Times

1975-08-05 · 50m

""Fallon doesn't represent anyone unless he's asked for. McKinney didn't ask for him, so who did?""

12. The Fixer

1975-08-12 · 50m

""We're enquiring into the theft of a cheque book and a bank card, Mrs. Sutherland. We'd be glad if you could help us with information.""