The team attend a retrieval for a patient with Down syndrome, Mira questions her place in Wayne's world and a mediation attempt between Annya and Poppy takes a turn for the worse.

Wayne's personal struggles spill over into his work when he is confronted by a suicidal patient and a frantic medevac to Adelaide.

One year on, a devastating bus crash brings the RFDS team together again.

In the wake of the crash, Eliza second-guesses herself; Pete and Wayne struggle to separate their personal grievances from the job at hand.

When a seven-year-old boy goes missing in the outback, it's a race against time to find him as the RFDS is called to help his injured father.

Pete is forced to face his deepest fears, when he, Wayne, and the RFDS crew are all tasked to a catastrophic multi-casualty boat crash in some of the most challenging terrain they have faced.

When new senior medical officer Eliza Harrod's first retrieval with the RFDS turns problematic, her team will be left wondering whether or not she has what it takes.

Dr Harrod's first day back on the job produces some awkward moments and Wayne finds something of Mira's that causes concern. The condition of a child with a suspected head injury becomes life threatening when a snake bite is discovered on his foot and the RFDS is asked to transport a prisoner.

Eliza and Pete remain at odds as they work on an embarrassing case together; Wayne struggles to turn his professional switch off while looking after Kalthi.

On New Year's Eve, Eliza, Pete and Ryan deal with a risky hot-air balloon retrieval; Wayne goes to his clinic's fundraiser; Matty and Chaya clash.

Eliza is tasked with leading the review into the White Cliffs incident as the team are faced with a skydiving accident, a missing patient and an old friend who's suffered a dangerous fall.

When a catastrophic explosion at an underground mine creates a mass-casualty incident, the RFDS are called to save the lives of two brothers caught in the blast.

Tensions flare between Eliza and Pete while transporting a contagious patient in stifling PPE, as Wayne's world is thrown upside down when a callout to a seizing patient takes a harrowing turn.

Wayne's grief surrounding a sudden death results in dire consequences for his own health and a race against the clock for the team to get to him, especially for a terrified Mira.