The ghosts stare at the mirror. Sam holds it up.
Depending on whether you are watching the or the original UK version , Ghosts (US) - Season 4, Episode 1: "Patience" Ghosts - Temporada 4- Episodio 1
holds Isaac captive in a dark, underground lair in the dirt as revenge for him accidentally abandoning her there centuries ago. The ghosts stare at the mirror