Moving to London and looking for interesting work, Harriet gets involved with a case of two young activists who advocate revolutionary violence and who were caught up with explosives after several deaths from a bombing.
Settling in to her new apartment, Harriet gets involved with a case where a rich husband damages a portrait of his wife,nude, being painted by an arrogant young artist.To avoid the scandal of a trial, parties try to settle.
After an engagement is broken, the fiance brings charges against the spinster for writing a letter to his council accusing him of trying to profit off a property belonging to her family.
A police officer whose brother in law was supposedly hurt by a gangster, is accused of planting evidence on the gangster's person and in his car,to get him on a break in charge.
A diabetic who drank liquor by mistake kills three people behind the wheel.In a parallel story, Harriet's doctor friend tries to rehabilitate a frequently incarcerated thief, without success.
Paying a rare visit, Harriet's son reminds her of the divorced husband she doesn't want to talk to.In a parallel story, the woman in a popular nostalgia singing duo avoids going to court to divorce her wayward husband.
Harriet's relationship with Dr.Moody intensifies when the husband of one of his patients (the man has been in prison) brings the doctor up on charges he has engaged in adultery with the man's wife.
Harriet's relationship with the doctor hits an impasse. After a close call, stopped for reckless driving, she's asked to sit on a panel sentencing a railroad worker for similar thoughtless behavior. Meanwhile her QC application waits.
The work load and the increased tension with Dr. Moody are starting to take a toll on Harriet's health. Nevertheless she helps a captain win a judgment in a trawler case.
Harriet defends a militant communist head of a pipe fitters union, who takes his men into a strike to gain pay parity with members of a rival union. The trade union leader is not afraid to be charged with contempt of court.
The school age son of the barristers' clerk is ready to start a stint in the office when he is arrested for participating in a mugging, with three other youths, of a pompous and reactionary military man.
Harriet pivots between securing an appeal for her clerk's son (by using secret evidence that the Major lied years ago) and protecting a couple of young tenants from a boisterous out of control Italian landlord.
Sir John's political friend, a man burgled repeatedly, builds a gun trap at his door which wounds a youth who Harriet had just gotten bail for. Sir John also proposes to her.