Nurse-out-of-water Hayley Roberts joins the fast-paced team of nurses and pilots at SkyMed, living and working together to fly air ambulances and save lives in rugged Northern Manitoba.

When a guilt-ridden Lexi finally goes flight line, she locks horns with training captain Bodie, while Crystal tries to get to the bottom of what Jeremy's been smuggling - and how it's connected to Wheezer's crash.

The investigation into Wheezer's crash puts Lexi in the hot seat. But when a wildfire threatens Crystal's community, will she cross the line to save a patient's life?