What happened to Kat in the Backrooms? The movie's biggest mystery explained
A24's Backrooms (2026), directed by Kane Parsons and starring Chiwetel Ejiofor, leaves one question nagging long after the credits: what exactly happened to Kat?
If you haven't seen the movie yet, stop here — full spoilers below.
Who is Kat?
Kat (Lukita Maxwell) is the assistant manager at Clark's (Ejiofor) furniture store, Cap'n Clark's Ottoman Empire. She and her boyfriend Bobby (Finn Bennett) get dragged into the Backrooms when Clark discovers a portal in his basement and insists they come along to document it.
What happens to her on screen
Things go wrong fast. Bobby is killed by a creature after being pulled down a steep hallway. Kat tries to save him but fails. She and Clark run through a series of rooms, but they get separated. The last we see of Kat, she's frantically shouting warnings before something tall grabs the camera. Her story cuts off abruptly.
The fridge reveal
Much later, Clark's therapist Mary (Renate Reinsve) finds him deep in the Backrooms, barely sane. Clark opens a refrigerator to reveal Kat's severed head, wrapped in duct tape. When Mary reacts in horror, Clark says only that he "tried to help her."
So who killed Kat?
The film never gives a definitive answer, but the strongest evidence points to Pirate Clark — a monstrous physical manifestation of Clark's rage and aggression that takes the form of the pirate character from his store's commercials. The tall figure seen grabbing Kat matches Pirate Clark's silhouette. As for why Kat's head ended up in a fridge, theories range from Clark keeping it as a guilt-driven memento to darker possibilities involving his complete mental breakdown. By the film's end, Clark has been eating the Backrooms' "Still Life" entities, and some viewers have drawn grim conclusions from that detail.
The ambiguity is deliberate. The Backrooms don't explain themselves — and neither does the movie.