New senior medical officer Eliza Harrod's first retrieval becomes problematic, and her team wonder if she has what it takes.

Eliza wonders why she came out to Australia in the first place; Pete's resentment rears its head during a chaotic midair birth.

The team are called in to help when a man is injured and his seven-year-old son disappears in the outback.

In the midst of a massive dust storm, the RFDS must deal with a tough retrieval when a patient takes a critical turn mid-air, and the team fight to keep him alive.

The team are caught in the crosshairs when a remote bush retrieval turns violent. They must race to get all the patients in the air before the plane is grounded for the night.

A suicidal patient and a frantic medevac to Adelaide forces Wayne to confront his personal struggles on the job.