When a shady-looking, hatted figure steals past her at the Lion Park, ten-year-old Robin knows something's not right and decides to find out what's going on. After following the strange figure through the roots of a ginkgo tree, she finds herself before a hidden gateway, which leads her into the mysterious Eozin Factory. Along the way, Robin becomes friends with Willy, a determined pixie boy, and Pyrogranite, a brave and kindhearted lion, as they join forces to protect the factory pixies, and the Eozin Factory itself, from the scheming of the hatted figure, Peregrieve.