Having previously bet Lizzie that she could get Adam to date her, Susie dines out on her success but Matron is less than pleased when she is late for work again and decides to suspend her from duty. Mr. Rose faces complications when he has to operate on a golfing buddy and Gordon has to treat a man trapped beneath a combine harvester.
Nick has to attend to two little girls who have been overcome by carbon monoxide fumes and Jill gets involved with the family of a man training to be a priest. The real hero of the hour is Susie, who well and truly redeems herself with her aunt when they are having a cliff-top picnic and Matron collapses. Susie's actions save the day.
Despite being advised against it by Nick, Bobby takes the law into his own hands with a local thug and ends up getting stabbed. Moira dies and the Ormerods consider adopting her child Aisling. Susie decides to put her nursing career above her private life and breaks off her engagement to Adam - who then proposes to her.
The Ormerods accompany Sister Brigid to Ireland for Moira's funeral where married Sergeant O'Malley is among the mourners. It becomes clear that he is baby Aisling's father and his wife is about to find out. Back at the Royal new Dr. Ralph Ellis is thrown in at the deep end when he attends to Ruby, a teenager injured at a children's home, but reluctant to leave her little sister to go to hospital.
The Ormerods relieve a troubled Sister Brigid, who was considering leaving the veil to bring up Aisling, when they agree to adopting the little girl. Back at the Royal the porters have a hare-brained scheme to raise chickens whilst Ralph Ellis faces racial prejudice when he diagnoses school-girl Tracey Wong with non-contagious leprosy to which other parents show hostility.
Matron is put in an awkward position when her married friend Margo appears to have syphilis, about which her husband is unaware. Jack and Alun go after buried treasure but only succeed in puncturing a sewage pipe instead. Gordon and Ralph are called to a cliff-top rescue, which Ralph almost jeopardises when he ends up in need of rescuing himself. New administrator Jean McAteer gets to grips with the job.
Rag-and-bone man Lester Marsh is brought into the hospital after being knocked down and kicked by his horse. Gordon has to be taken by lifeboat to attend an emergency on a yacht and ends up comforting a grieving widow. For Susie, however, things are looking up as she asks Alun for a lift - to her wedding to a very wealthy man.
Following the departure of Susie after her whirlwind courtship and marriage a new student nurse, Faye Clarke arrives to take up her position at the Royal. Meanwhile receptionist Lizzie falls head over heels for a handsome stunt-riding motor-bike daredevil.
Sister Brigid helps Faye overcome her fear of needles and get revenge on Jack, who has been teasing her, while Ralph goes to the local jail to see self-harming prisoner Mark Bullen. Bullen is seriously disturbed and Ralph has to combat the officers' view that he is shamming to get him to a psychiatric hospital. Gordon is accused of giving cancer patient Philip Plumley a deliberate over-dose of diamorphine as an assisted suicide and is arrested before Philip's widow explains what truly occurred.
Alun dates ice cream saleswoman Daniella but it is clear that she is only using him so Lizzie and Jack conspire to break them up by exposing her true colours. Schoolgirl Denise Mount gives birth to a baby fathered by classmate Ray and their parents are anxious that the child should be adopted, but they have reckoned without Sister Brigid's powers of persuasion. Jean is stalked by the unstable wife of a man with whom she had an affair but leads the hospital in siding with the woman against her philandering spouse's attempts to have her sectioned. She nonetheless feels ...
Jean faces an uphill struggle with the local District Health Authority after its chairman Sir Charles's daughter, is admitted to the hospital. Jack goes off on a fishing trip, which is interrupted when a car crashes into the lake. Also making a splash is the cowboy builder who accidentally disconnects the wrong pipe in casualty.
Aisling's adoption party ends in tears for most of the guests but Sister Brigid and Mr. Rose, appalled that an elderly woman has been incarcerated in a lunatic asylum for having a baby as a teenager, ensure that she ends her days in comfort. Meanwhile Gordon advises a hard-drinking fisherman to cut down his intake but whilst his daughter is having fertility problems the man's wife is heavily pregnant - by her daughter's boyfriend. Chaos ensues - with Gordon as a victim.