The game ends with the Player setting the Husband on fire that is laying on the ground when the ending gets triggered, the ending player pulls out the lighter and burns the Husband, while the flames spread around the player and the cabin and it fade to black with the credits showing up and fades out to the credits UI.
This cutscene is in third person showing the main player character walking towards her husband and bending down to light the husband on fire while watching the flames go around her too.