A surprise arrival. Working with the Whistlestop River air ambulance is Nadia's whole world. She adores her job and the team - they're family. But when a baby is abandoned on the steps of the base Nadia is forced to confront events from her past she'd rather forget. A difficult change. Hudson is trying to get his life back on track after his divorce. It's not easy juggling his work as a patient and family liaison officer and being the primary parent for his children. He wouldn't change it for the world. But when his teenage son's behaviour spirals out of control Hudson begins to wonder if he can really be there for everyone who needs him. . . A chance for something special? Nadia and Hudson have always been friends but the arrival of baby Lena pushes them closer than ever and as their feelings start to grow they'll have to decide - do they have space for love when their families need them? And could they put themselves and each other first just this once?