A Mug Named Frank
Episode: 5x01 | Airdate: Jul 7, 1971
After Frank saves an old lady from a potential shoplifting charge, and recognises her financially desperate son as a former fellow prison inmate, he's contacted by the man's worried wife.
Episode: 5x01 | Airdate: Jul 7, 1971
After Frank saves an old lady from a potential shoplifting charge, and recognises her financially desperate son as a former fellow prison inmate, he's contacted by the man's worried wife.
Episode: 5x02 | Airdate: Jul 14, 1971
Things are looking up when Marker is invited to join an enquiry agency.
Episode: 5x03 | Airdate: Jul 21, 1971
Marker is hired to find out who is making threatening phone calls to a woman living alone.
Episode: 5x04 | Airdate: Jul 28, 1971
Things get unusual when Marker is hired to watch the antics of a wayward husband.
Episode: 5x05 | Airdate: Aug 4, 1971
When Marker reluctantly agrees to try to find a woman's missing husband, but facts about the story he's been told by the woman don't add up, he enlists the help of Inspector Firbank.
Episode: 5x06 | Airdate: Aug 11, 1971
Marker encounters some strong and powerful women.
Episode: 5x07 | Airdate: Aug 18, 1971
His latest case leads Marker into the centre of a family squabble.
Episode: 5x08 | Airdate: Aug 25, 1971
Marker is hired to look after a client's welfare.
Episode: 5x09 | Airdate: Sep 1, 1971
Marker is hired after a lady finds a picture of a young woman in her husband's wallet.
Episode: 5x10 | Airdate: Sep 8, 1971
It appears as though Marker's interests and those of D.I. Firbanks are the same - but are they?
Episode: 5x11 | Airdate: Sep 15, 1971
Marker finds a case involving an old reprobate and a young American visiting Britain.
Episode: 5x12 | Airdate: Sep 22, 1971
Marker takes on an investigation and finds himself manipulated by several people ̶ including DI Firbank.
Episode: 5x13 | Airdate: Sep 29, 1971
Marker is faced with a head-on collision with D.I. Firbank.