The series' episodes were mostly self-contained and about medical items. The Australian society was mirrored in handling more or less controversial social problems as the abuse of women within marriage, alcohol abuse, and the position of the aboriginals. It also featured ongoing storylines, such as Dr. Standish's romance with Sister Kate Wellings (Lenore Smith). Other major characters included pilot Sam Patterson (Peter O'Brien), mechanic Emma Plimpton (Rebecca Gibney), local policeman Sgt. Jack Carruthers (Terry Gill) and Vic and Nancy Buckley (Maurie Fields and Val Jellay), who ran The Majestic, a local pub/hotel.