Overview: Season four finds the community preparing to enter a new decade - the 1960s. Nurse Trixie receives a proposal from handsome young curate Tom Hereward. Nurse Cynthia starts to think seriously about joining the order as a nun, something that shocks both Trixie and Patsy. And an unexpected set of events sees Chummy take on the challenge of running a mother and baby home for unmarried girls.