Dennis Jamison gains vital information about the hit and run accident. An alarming turn of events strikes Peter Holland's and Liz's picnic with little Nathan O'Neill.
Peter Holland faces a nerve-wracking time after his grim accident at the picnic. Brian Denham is hindered in his attempts to clear himself of the hit and run charge.
Virginia Mason and Jody Carter set the bait for John Forrest with their "heavy breathing" phone calls to him. Sam Wilkinson's arrival at the Albert creates mixed reactions with some of the staff.
Peter Holland runs into danger in an attempt to help the mysterious Mr Smith. The past dealings of Liz Kennedy's new acquaintance are a fresh source of worry for Dr Denham.
Virginia - as Seal - arranges to meet John Forrest for dinner. Ada gets a mysterious invitation for the same night. Tania overhears Mark and Dennis debating whether they should tell her the truth about Harry Norman.
Brian Denham reprimands Vivienne Jeffries for playing detective with Smith - but she doesn't spot who Nick Robson is. A patient mysteriously dies on Julie's first day in theatre.
Susanne Gibbs becomes even more friendly with Ewan Kirby. Sam Wilkinson plays the field where women are concerned. John Forrest discovers Melanie's secret.
Mike Newman tries to convince Melanie Drew and himself that their relationship is not a hopeless one in the light of her illness. Sam Wilkinson and Peter Holland have an angry confrontation.
A young policeman, wounded in a shootout, is admitted for emergency surgery and develops an interest in Virginia. Liz Kennedy discovers Nick Robson's real identity - and something else about him that she hadn't bargained for.
Brian Denham, immersed in furtive "special tests", arouses Mark and Peter Holland's suspicions. Sam Wilkinson double-dates and double-crosses Jody Carter and Julie Holland.
The unforeseen deaths of two further patients makes every one of the theatre staff suspect each other. Sam Wilkinson causes emotional problems for Jody, getting her into trouble with Vivienne Jeffries.
Susanne Gibbs, badly injured by a difficult patient, has to undergo surgery. The recent mysterious deaths make her terrified for her life. Mike Newman and Melanie proceed with their wedding plans despite Melanie's incurable illness.
John Forrest overhears Doctors Kirby and Brand arguing and gathers that they may have a lot to do with the mysterious deaths in Theatre 5. Melanie gives Mike Newman the chance to opt out of their wedding.
Mark Holland, concerned by the seriousness of the secret tests he has been doing for Dr Denham, begins to realise his suspicions could be right - but he can't make Julie see what sort of person she's turning into.
Liz is determined to pursue her relationship with Nick Robson despite the appearance of his wife on the scene. Another person is mugged on the hospital premises. This time it is Vivienne Jeffries.
Sister Norma Campbell, stepping into Vivienne's shoes as Deputy Matron, proves to be too much of a disciplinarian. Jody ignores warnings not to get over-involved with Sam Wilkinson and discovers too late he is engaged to someone else.
Gael steals a dress hoping it will make her attractive to Peter, but he continues to avoid her. Brian Denham continues to involve Mark in a series of mysterious tests while Helen and Vivienne become alerted to the state of his health.
There is a surprise ending to the rivalry between Peter Holland and Sam Wilkinson over the new Registrar's appointment, while self-defence lessons for the nurses are included in the training scheme.
Mark clearly has weighty problems, related to mysterious phone calls. The emotional spark is once again rekindled between Liz Kennedy and John Forrest.
Things become strained between Dennis and Caroline as time passes and there is no indication that she is going to have a baby. The feud between Vivienne Jeffries and Norma Campbell comes to a head - there can only be one Deputy Matron.
Louise Fielding decides to organise Ben's life and hires a housekeeper with uproarious results. To Virginia's consternation, Grant Walker is invited to join the hospital staff as a security man by her father
The only copy of a valuable hospital document is destroyed by the fire at Helen's home in which Gael Hogan is implicated. Caroline shocks Dennis by telling him he may be unable to father children.
Louise Fielding, surprised by some uninvited guests, turns out to be the perfect hostess - assisted by her tireless housekeeper. Mark refuses to tell Julie why he has withdrawn large sums of money from their joint bank account.
Norma Campbell continues to undermine Vivienne Jeffries' self-confidence amidst mounting speculation as to who will be the Albert's new matron, while Ada unexpectedly learns the disturbing truth about Gael.
Peter Holland and Ada are forced to confront Gael, while Helen Gordon discovers that the destruction of her home by fire has caused her more trouble than she is prepared to meet.
Vivienne Jeffries is brought to the point where she believes Norma Campbell is only a step away from becoming the Albert's new matron, while Louise Fielding springs a surprise on Mike Newman that he hadn't bargained for.
Virginia Mason returns from her holiday completely distracted by thoughts of the man of her dreams, while Mark Holland puzzles and infuriates his family, friends and colleagues with his slapdash work and unexplained disappearances.
Liz Kennedy becomes convinced that Mike Newman's sleepwalking indicates a profound disturbance looked deep in his psyche, while Virginia discovers that the man of her dreams has joined the staff as Assistant Chaplain.
Peter Holland arrives with a head injury which proves to be a talking point, while Norma Campbell accuses Vivienne Jeffries of stealing her application for the matron's job.
Peter Holland is baffled when a child develops symptoms unrelated to the medical problem for which she's being treated, while Mark, pressured at home and at work, finally tells Julie he's moving out of the flat.
Julie, mystified and upset by Mark's decision to move out of the flat, invites Virginia to take his place, while two policemen arrive to question Mark in connection with a charge of receiving stolen goods.