There’s nothing to prevent you from taking the ending and even the title of “No One Will Save You” at face value. Brynn is someone who’s spent her whole life trying to make amends for a terrible mistake she made as a child. As much as she’s fueled by her survival instinct to resist the aliens, you also get the sense she’s fighting for something more. The extra-terrestrials certainly recognize this, which is the reason why they probe her mind, trying to understand why a human would rather continue resisting them tooth and nail than live in the euphoric dream state induced by the mind-controlling creatures. When they glimpse her traumatic past, they appear to realize that all Brynn really wants is a second chance — even if that means having to live in a world of alien-controlled people to get it.
Alternatively, you can look at “No One Will Save You” as a religious parable about the elusiveness of salvation. In this light, the aliens are the god(s) whose machinations are difficult for us puny humans to truly comprehend, much less boiled down into simple black-and-white terms of good and bad. For as much as Brynn seeks personal redemption for what she did to Maude in her daily life, she must also endure a series of trials and tribulations in the eyes of the film’s “gods.” That includes facing the ultimate temptation in the form of a false version of heaven: one that requires no active effort on her part, just submission. But Brynn doesn’t want to live in a fantasy where she can just pretend Maude is still alive, she wants to actively earn her salvation by living with her inner pain (as any true person of faith would).
Source From: www.slashfilm.com
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