Guy and Ryan's friendship seems set to founder. Megan has a new ally, Brent in her battle with Sue for acknowledgment of her ideas and the two are quickly forming a solid friendship. With Brent backing her up she plucks up courage to take the 'bulls' by the horns and with a happy result behind her is soon again convinced she has the best job in the world. Annie, threatened by her patients' attachment to Dr Curtis, returns to work, much to Mon's outrage. Wayne, devastated by Sally's coldness towards him, gets up the courage to ask her out. Sally assumes the invitation is all part of the apology, not suspecting that in reality it means much more to Wayne than that. Distressed by memories evoked by Annie's accident, Mark has taken off on an unannounced trip to Darwin and returns surprised to find the whole town worrying about him. Suspecting there's more to Mark's disappearance than he's letting on, Annie manages to uncover his deep dark secret.