Spoiler warning: Spoilers for the complete film.
The Mother kills Adrian, saves Zoe and lets her return to her adoptive family. Their new bond survives the separation. The ending changes protection from a reason to vanish into a way of remaining present.
Who is Zoe’s father?
The film leaves the paternity question unresolved between Adrian and Hector. It does not produce a test or confession that confirms either man as the biological father.
Director Niki Caro’s official explanation places the emphasis on maternity: the central question is who will take responsibility for keeping Zoe safe. Neither man’s possible genetic connection gives him a right to possess her.
Leaving the answer open prevents the rescue from becoming a competition over which dangerous man has the stronger claim. Zoe’s needs remain more important than their claims.
The woman who raised Zoe has an established relationship with her. The rescue does not erase that history or automatically make the birth mother’s life the right place for the child to remain.
After Hector’s death and the confrontation with Adrian in Alaska, immediate danger can be addressed without replacing the family Zoe already knows.
That choice gives the Mother’s role a boundary. She can matter deeply without demanding every part of her daughter’s life as compensation for the years they lost.
What does the bracelet mean?
In the final scene, the Mother watches over Zoe and wears the bracelet her daughter made. Caro identifies it as a sign that they have a relationship going forward, not simply an anonymous guard arrangement.
The object is small enough to belong to an ordinary parent-child bond, which makes it a useful counterpoint to the violence required during the rescue. Zoe has given her something to carry beyond the mission.
The Mother began by equating absence with safety. She ends with a less absolute arrangement: Zoe can remain at home while knowing the woman who brought her back. Protection and connection no longer have to cancel each other out.
Sources: official ending breakdown.