Sam Bloom (Naomi Watts) is a young mother whose world is shattered after a near-fatal accident leaves her paralysed. As Sam, her husband (Andrew Lincoln), their three young boys and her mother (Jacki Weaver) struggle to adjust to their new situation, an unlikely ally enters their world in the form of an injured baby magpie they name Penguin. The bird's arrival makes a profound difference in the family's life.