The movie centers around characters who need to take something regularly, roughly every day. Failure to do so results in them becoming volatile and unpredictable. The setting itself presents dangers; clean air means greater risk of infection. Adding to this pressure, survivors are being pursued by an army of drones that seem to possess their own intelligence. The "medicine" they require feels like a reflection of the pressures we all face daily—the expectations, the need to conform, and the anxieties those demands create. The story suggests that missing one's dose might lead to a realization that humanity’s progress has been stifled. It seems like a widespread system is using treatments for "anxiety" as a means of control, essentially drugging people into complacency. Refusal to comply with this regimen transforms someone into an obstacle to the established beliefs. The system has created its most powerful tool yet—a manipulative and oppressive structure that forces individuals back into restrictive molds. Automated weapons are used to identify and eliminate those who don't fit in. Those who discontinue their medication aren’t necessarily free; they experience unsettling fears, intrusive memories of negative emotions like anger and aggression. The narrative raises questions: Are we questioning a vaccine that has been around for generations? Is it possible to break free from this dependence when madness appears to be the only alternative?

Source on TMDB