At the end of the 19th century, Headmistress Hester Appleyard allows her pupils to picnic at Hanging Rock. Right there, in the strange brooding landscape, something unthinkable happens…

Hester’s three star pupils and a governess have disappeared. Led by a dogged Sergeant, local men search for the missing.

The sergeant's ongoing investigation intensifies Hester’s growing paranoia and Memories of her dark past loosen her decorous façade.

Hester struggles to contain mounting hysteria as aftershocks from the disappearance continue to disrupt the old order. A mysterious visitor summons memories of Hester’s dark past.

French governess, Mademoiselle, is growing increasingly suspicious of Mrs Appleyard’s erratic behaviour.

Hester has grown increasingly certain that her vengeful husband is behind the disappearances and is coming after her.