Anna. on nights, goes home to face a final battle for independence. Brenda, Jay and Katy are with Sister Easby on Male Medical. For Jean and Sarah it's far from domestic bliss.

Another Saturday - another football match which means hard work for the police, for Jean and all on duty at St Angela's. Katy's plans for her free afternoon are changed with startling results.

With Katy and Jay on ' days', Sandra Ling and Brenda on ' nights '. All would be plain sailing except for visiting . . .

Brenda befriends a new member of the St Angela's staff, much to the concern of Miss Windrup, who thinks he's a troublemaker. Katy has other reservations about him.

It is just another night at St Angela's for everybody, except for Jay, that is. Then news comes through that involves everyone.

An error is made - a ' human error ' - Sarah finds it almost impossible to sort out her loyalties - are they to the hospital or to her patient?

It's moving day for Sarah, Jean and the patients in male geriatric. Anna, too, makes an unexpected journey but Jay finds herself left behind.

Brenda finds her feet on Maternity but Anna down in Casualty discovers that as a nurse she must keep her thoughts to herself.

Sarah and Jean just can't agree on a flat and life at the hospital is demanding, but then Sarah receives an exciting and tempting invitation.

Sarah's problems are twofold; the Sister in charge of her ward and her depressed isolated patient. She decides to ask her father, the Senior Heart Consultant of the hospital, for help ...

Katy's on night duty in charge of a noisy female surgical ward. When the day staff leave there are still two empty beds - one of them soon to be occupied by a fellow member of St Angela's nursing staff.

Jean and Anna arrive for their first day at St Angela's hospital. Jean, the new young casualty sister, soon discovers that life there is more explosive than she had imagined, whilst for Anna there is an unexpected arrival.

While Anna tries to sort out her marital problems over lunch with her disapproving father, Sarah and Katy are assigned to St Angela's in the Intensive Care Unit - they are soon to admit a new patient.