Hannah Howard is the managing director of packaging company Flinley Craddick. When she gets news from Head Office that her branch will be shut down and everyone will go remote, she goes into survival mode, making promises she can't keep in order to keep her "work family" together.

Neil, Will and Simon receive an invite from Jay to join him in Australia whilst on his gap year, who promises them it’s ”the sex capital of the world”. With their lives now rather dull compared to their hedonistic school days and legendary lads holiday, it’s an offer they can’t refuse. Once again, they put growing up temporarily on-hold, and embark on a backpacking holiday of a lifetime in an awful car, inspired by Peter Andre’s ‘Mysterious Girl’. Will soon finds himself battling with the lads to do something cultural, whilst they focus their attention on drinking, girls, and annoying fellow travelers.

Nikhil Katira is a psychiatric nurse working at Wakefield, a facility perched on the edge of Australia's spectacular Blue Mountains. There's one problem - while his patients are getting better, he's getting worse.