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.

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

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 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.

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

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.

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.