Other Mommy Ending Explained: Does the Entity Take Over Bela’s Body?

Other Mommy finds something particularly disturbing in a monster wearing a mother’s face and asking her child to trust it. Jessica Chastain plays both Ursula and the creature pursuing her eight-year-old daughter, Bela (Arabella Olivia Clark). The resemblance is frightening enough, but I find the question it keeps asking worse: can it enter Bela’s heart? It sounds almost sweet until refusing starts to carry consequences.

Rob Savage’s adaptation of Josh Malerman’s Incidents Around the House, which was released on October 9 globally, spares Bela the novel’s terrible fate. Other Mommy does not successfully take over her body in the film. Bela survives, as do Ursula and Russ. But their reunion comes with an awkward qualification: getting rid of the monster has not made them a happy family.

What Does Other Mommy Want From Bela?

Other Mommy wants to get inside Bela, and its talk of entering her heart makes that demand sound less invasive than it is. The novel eventually exposes the bargain through the suggestion that the creature has assumed her identity.

The wording matters because Bela is eight. She understands wanting someone to love you. She cannot be expected to understand that something might use that desire to steal her body.

And Other Mommy is hardly gracious about rejection. Its growing aggression gives the question an uglier meaning each time it asks. Bela supposedly gets to decide, but the creature keeps making one answer more dangerous than the other.

That is the detail I find most effective. Other Mommy wants the benefit of being invited without behaving like something Bela is free to turn away. It needs her cooperation, so it frightens her toward it.

Taking Ursula’s appearance compounds the problem. A mother’s face should help a child recognize safety. Other Mommy turns that recognition into a vulnerability: Bela has to look at someone who resembles her mother and work out whether she is being loved or threatened.

Does Bela Let Other Mommy Into Her Heart?

The movie avoids the novel’s body-swap conclusion. Bela overcomes Other Mommy by accepting things she would understandably rather not know: her parents are flawed, people she loves can hurt her, and nobody can guarantee that she will always be safe.

That is a substantial departure from Malerman’s ending. In the book, Bela agrees to let Other Mommy enter her heart. She then finds herself in an enormous, empty space, hearing the entity practice her voice.

The voice rehearsal is the giveaway. Other Mommy appears to be preparing to live as Bela, while the real child is left somewhere she cannot reclaim her place. It is a nasty ending because her disappearance might come with a convincing replacement.

The film lets her keep her body and her future. What she loses is the belief that her parents can protect her from every painful thing.

I would not reduce that to evil being defeated by love. Bela already loves her family. The harder task is accepting that love does not make Ursula and Russ reliable, or their relationship secure.

Her survival therefore involves a miserable piece of growing up. She has to stop expecting the adults to provide an answer that will make everything feel safe again.

What Does Bela’s Choice Mean for the Movie?

The final family scene is where the apparent happy ending starts to sour. Bela and Russ are laughing together, but Ursula looks unhappy. All three have survived; they are simply not experiencing that survival in the same way.

I read Ursula’s expression as the film refusing to pretend the haunting has repaired her marriage. A supernatural ordeal might give a family something to fight together. It cannot make someone content with the life they return to afterward.

That also puts Bela in an uncomfortable position. She can join in with Russ and still notice Ursula sitting apart emotionally. Children do not need to understand every detail of a troubled marriage to recognize when a parent is unhappy.

The disturbing expression leaves room for a rather disturbing interpretation. But it does not establish that Ursula is possessed. There is already a reason for Bela to find her mother difficult to read: she now knows that the face she associates with comfort can conceal feelings she does not understand.

Other Mommy’s post-credits appearance, facing the camera and shushing the audience, adds a final sting. It does not show Bela losing her body or undo the outcome of the confrontation. It is just a send-off for the audience.

For me, Ursula’s unhappiness is the more consequential ending. The creature can be defeated. Bela still has to go home with two adults whose problems she cannot solve, and whom she can no longer imagine will solve everything for her.

Other Mommy has not pleased critics. As of October 9, it has a Tomatometer score of 20%.

Did Bela’s escape work for you, or would you have preferred the book’s darker ending? Let us know in the comments!