A case involving the son of a Leeds industrialist brings David Main into partnership with fellow solicitor Henry Castleton.
Main defends a pop singer with an unfavourable contract, and a man accused of giving a suspected paedophile a kicking. Meanwhile, Main's wife hires a private detective to source evidence of adultery.
A local firm is planning a merger - but a professional agitator seems determined to put a spanner in the works by blaming an employee's illness on the factory's production line.
While Margaret makes her first plea in court, David has a fight for survival on his hands
Margaret helps a woman intimidated by her husband, as David faces a terrible situation in Cuba
Margaret comes to realise that the law is not perfect, as David faces a double catastrophe
David reacts when he hears what is planned for his children. A custody battle begins
Unhappy with the way his ex wife's new husband is bringing up his children, Maine uses his legal skills to gain custody.
David becomes suspicious when he is invited to set up a million-pound property deal
A variety of unexpected situations complicate the adoption process for a Brazilian couple
The theft of a Dead Sea Scroll involves David in a skein of intrigues. Guest starring Freddie Jones
David is forced to review his own attitudes to his work and his clients - and also Sarah's
David faces two case involving powerful men who seek to control those around them
A corrupt union leader playing management and workers off against each other asks David for a bribe, but the legal situation between them is complicated by a tragic accident
Margaret's belief in a client's innocence brings surprising results. Guest starring original Poldark Robin Ellis
David represents a man trying to thwart the tyrannical ambition of a local councillor
David must resolve a number of delicate issues, both personal and professional. Guest starring Joan Greenwood
Gifts in solicitors' offices can have startling repercussions
David clashes with an old adversary, and an ex-con presents further problems.
A case hinges on how far a man is permitted to go in protecting his property from trespassers. Guest starring Robin Askwith
Sarah's reappearance has worrying repercussions for David's future. Guest starring John Standing
David tries to help a father achieve his dream of owning his own home. Guest starring Patrick Troughton and featuring the TV debut of Bob Hoskins
David is involved in a court martial in which two careers, and two visions of the Army, are at stake
David travels to Switzerland to try to unravel a mystery surrounding a wealthy man's estate
David matches wits with a devious teenager
Events force David to take a hard look at what he believes in, and where he is going
David's priorities are divided between professional commitment and financial expediency
Tracing a girl in Amsterdam, David fears the girl's companion poses a serious threat to her happiness
A case leaves David forced to choose between profit and principles
David faces a difficult case in which a client's alibi, if used, would be incriminating
David joins the take-over game but finds it hard to keep his head above water.
The conflict between David's private life and his work reaches crisis point
The future looks rosy for David - but fate is about to deal a devastating blow
David's entire future is now at stake, as he faces the biggest challenge of his life.
Struck off the Roll of Solicitors, David has the same right to appeal as a violent criminal.
A corrupt business cartel and a woman struggling to feed her children present two contrasting cases.
Unable to practice law, Main encounters unsavoury characters in his search for alternative work.
David intends to repay the debt owed to those who stood by him at his lowest point.
David has to take on a man whose stock-in-trade is violence and intimidation.
David pays a rare visit to his precocious step-daughter Elizabeth. Since Hilary’s death she has been living with her grandfather Harry and her Aunt but thinks it’s time she spend some time in London with David.
Walter is working undercover on his own initiative trying to gather enough evidence to prove that the duty sergeant at Shelborough police station is on the take when it comes to drunk drivers.
After being refused his old partnership back, David sets up by himself with Inga as his secretary.
Laura is back and has £600,000 that she wants to invest and wants advice from David and fellow solicitor Andrew Redford.
David is seriously considering a partnership with Andrew Retford but there are more than a few things to iron out.
David is asked by Detective Sergeant Allington to look into the circumstances surrounding his wife's death. Margaret offers David a partnership once again.
