In a remote Australian town, Catherine and Matthew Parker, along with their teenage children, Lily and Tom, are struggling to adapt after moving from a larger city. The strained family dynamic is obvious, with Catherine and Matthew dealing with unresolved marital tensions and disagreements. When Lily and Tom vanish just before a massive dust storm hits the town, panic sets in. The family's isolated location adds to their desperation, forcing them to rely on the local authorities and the tight-knit community for help in the search for their children.

As days pass without any sign of Lily and Tom, tensions rise and suspicions surface within the community. Their disappearance brings out dark secrets and hidden fears among the townspeople. The police, including detective David Rae, uncover troubling clues that suggest the possibility of foul play. Catherine and Matthew's relationship is put to the test as they face uncertainty, guilt, and blame, each coping with the unbearable situation in their own way. As truths unfold and pressures mount, the family must confront their past and present while grappling with the unknown fate of their children.