S1E45 - The Key That Opened the Fire

Luna stands in a hallway of photographs, the doppelganger holding the key behind her and a child's laugh echoing from behind the door. She reaches for the key, but the doppelganger vanishes, leaving it on the floor. Luna unlocks the door and enters a house she recognizes from a memory that isn't hers — the burned house from the payphone call. She finds a child's bedroom intact, with a dollhouse mirroring the nursery below the theater. In the mirror, she sees Clara as a child, and the child speaks to her, revealing that the fire was not an accident — it was...