S2E52 - The Black Water That Remembered My Voice

Still clutching the key that dissolved the house, Luna finds herself adrift in black water with only a child's voice for company. The voice guides her to a submerged gallery where each object holds a memory from a timeline that should not exist. She finds her own baby blanket, her mother's wedding ring from a marriage that never happened, and a mirror reflecting a version of her sister who is still alive. The child's voice grows older as Luna swims deeper, leading her to a final object: a closed music box that plays a lullaby she taught herself as...