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.

Eliza questions her decision to come out to Australia, as Pete's simmering resentment towards her comes to a head during a tense mid-air birth.

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.

In the midst of a massive dust storm, the RFDS face a harrowing retrieval when a patient takes a critical turn, mid-air, and the team struggle to keep him alive.

When a remote bush retrieval turns violent, the RFDS are caught in the crosshairs but still have to race the light and get all patients in the air before the plane becomes grounded for the night.

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

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.

As the RFDS fundraising ball gets underway, Pete is overnighted at a remote clinic where the seemingly straightforward case of a boy with a concussion turns into a potentially fatal situation.

Staff shortages have the team working at their limits. Amidst the chaos of the White Cliffs rodeo, Pete is forced to act outside his scope of practice when faced with a multi-casualty car accident.

Pete discovers an emergency intervention he performed has had major repercussions, while the team are called to a retrieval where they are challenged with keeping a patient's explosive secret.

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 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.

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.

With Dolly Hardon's charity drag night underway, what is supposed to be a night of fun for the RFDS team and the community descends into chaos when a bad batch of MDMA is found to be doing the rounds.

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.

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.

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.

Wayne, Pete and Mira attend to a critically ill baby; Eliza visits a patient requesting help with voluntary assisted dying.

On Christmas Eve, Wayne, Mira and Matty attend a jet ski accident on a remote island; a community fundraiser takes a dramatic turn; Pete opens up to Eliza.

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.

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.