Hannah Davidson has a dementia-stricken father, an estranged TV star brother, and a mother whose death opened up hidden fault lines beneath the surface of their ordinary family life. At 37 years old, Hannah is losing her grip on both her drinking and a cache of shameful secrets. Now the spitting image of her mother Jen Davidson, and the same age she was when she died, Hannah is determined to uncover exactly what happened to her mum, but soon the boundaries between Hannah and her mother become fatally blurred.