AAU gets a new doctor in Lilah Birdwood, newly returned from Australia, but can she hack working in her new environment? Serena relocates to AAU reluctantly but friction between her and Michael leads her to complain to Hanssen. Hanssen joins Elliott's team in developing the Herzig artificial heart and Terence Cunningham's brings his daughter Poppy in with a goitre problem but is not best pleased when the operation is cancelled. Elsewhere, Chantelle and Mary-Claire clash on her first day as a permanent nurse.
—Bridie