A brush with danger leaves Judy Bissett and husband Tony reeling. Tilly Bissett's dreams of space are scuttled by her friend Jono, while Mia Bissett considers a dramatic life change. Eileen deals with family drama of her own. Finally, Judy is forced to make a choice which may tear her clan apart.

Mick will let nothing stand in the way of his growing empire. When Tony accepts a job offer from his brother, he finds himself risking all of Judy's hard work in one impulsive moment. Meanwhile, Bob tries to coax Mia back towards the light, and Bilya forces Elieen to make a difficult choice.

As Judy confronts her tormentor, Tony confronts the past, giving Eileen some truths long since buried. The struggle for the fate of the power plant reaches its climax. And as the graduation ball and beauty pageant arrive, Skylab closes in.