The plot follows the journey of various wildlife across the globe over the course of a single day, showcasing the extraordinary events that occur from sunrise to sunset. As daylight dawns, the film captures the awakening world, highlighting the morning rituals of different species as they begin their daily struggle for survival. The audience is introduced to the critical and often breathtaking moments that could dictate the future of these animals - from a desperate penguin parent risking its life for its chicks to a family of lemurs navigating the dangers of their forest home. This exploration emphasizes the common thread all living creatures share: the drive to see another day in an ever-changing world.

As the day progresses and the sun ascends to its zenith, the narrative focuses on the harsh midday realities and the intense competition for food, territory, and mating rights. Majestic giraffes engage in powerful displays of dominance, while a humpback whale mother and calf bond in the ocean's depths. The stories shift seamlessly across continents and climates, capturing the beauty and brutality that comes with the harsh light of midday. Slowly, as the sun dips toward the horizon, the plot highlights the shift into evening, where nocturnal animals stir, and the diurnal ones seek refuge, preparing the audience for the remarkable changes and challenges that darkness brings in the natural world.