In this fast-paced comedy adventure, two flies with opposite personalities struggle to make the most of a 24-hour lifespan. The energetic A-fly rushes to complete every activity on a massive bucket list, whereas the introspective Z-fly searches for a deeper meaning, only to spiral into existential dread. As the sun starts to set, the flies panic that their time is running out. But in the end, a death defying-encounter forces them both to live in the moment while they still can.