When a fatal accident occurs on board the International Space Station, a lone astronaut makes the heroic journey back to Earth, only to discover key pieces of her life—including her young daughter—have changed.

Follow Plom, Phoebe, Mae-Mae, Zip, Hooper and Fly as they explore the world of Pop Paper City, a vivid, vast and exciting place. The characters travel to urban environments, explore caves, the ocean or even outer space — Just like children’s imaginations, the world of Pop Paper City has no bounds for creativity and exploration.