Protagonist Sam, a terminally ill cancer patient, pursues a personal quest for one last slice of pizza from her childhood while protecting her cat Frodo, ultimately sacrificing herself so her new companion Eric can escape. The narrative focuses on confronting mortality, with the invasion serving as a metaphor for her illness, and themes of quiet resilience and unexpected connection.

These elements remain classic horror-drama without activist framing or forced messaging. The story relies on new characters with no established source-material race or gender swaps, keeping any casting choices incidental to the modern urban setting rather than central to the premise. A subtextual detail regarding Eric appears only in a deleted scene and director statement, remaining absent from the theatrical cut and exerting no influence on plot or themes. This approach results in minimal ideological content, allowing the survival narrative and personal stakes to stand on their own without progressive intrusions.