S2E79 - The Key That Fit the Stone

Luna is trapped in a buried room beneath the theater, where her mother's face is young and kind and holds a key. The curse is written in stone, and the room breathes like a living thing. Luna must follow her mother's ghost through a door that should not exist, into a hallway of mirrors reflecting every Marguerite who ever lived. Each reflection remembers her differently. The key fits a lock in the stone, but the lock is in Luna's chest. She opens it, and a child's hand reaches out from inside her ribcage, holding a lullaby that was never...