In the film, protagonists must ingest a substance every 24 hours. If they don't, they’ll turn into dangerous lunatics. Their environment is toxic, breathing fresh air equals more exposure to the virus. On top of that all, survivors are hunted down by an army of self-aware drones. Their "medicine" is the one we all have to swallow every day. It is the message sent off by the order established boxes to fill, control, and fear. In that world, you miss your pill and you might realise that Humanity has been slowed down in its elevation. Masses, controlled with cures for "anxiety". Se...