She's seen it all. The memories come flooding back for housekeeper Hannah Grose as she reflects on the living and dead trapped at Bly Manor.

Miles and Flora are pulled into a ghostly game. Faced with the facts, Rebecca comes to an unhappy conclusion, and Hannah makes a shattering discovery.

Bly's dark origins come to light. Once the iron-willed lady of the manor, Viola becomes consumed by a monstrous rage, ensnaring all souls around her.