Sister Monica Joan holds the key to the diagnosis of a mystery illness.
Jenny is promoted to acting sister, but finds herself dealing with a challenging case.
Sister Julienne is called to care for women in Holloway Prison.
Jenny rushes to Alec's side when he is taken to hospital after a horrific accident.
When a woman with Down's syndrome discovers she is pregnant, she faces a hard decision.
Patsy struggles to adapt to the unpredictable and chaotic working life of midwifery.
Helen George
Trixie Franklin
Emerald Fennell
Patsy Mount
Charlotte Ritchie
Barbara Gilbert
Linda Bassett
Phyllis Crane
Miranda Hart
Chummy Noakes