Join Geronimo Stilton for a thrilling adventure on Mouse Island! Geronimo has discovered the mysterious DARK FOREST, home to ancient trees and amazing creatures. When a danger threatens the forest, Geronimo and his (almost) girlfriend, Creepella, leap into action! Get ready for a fun and educational journey with Geronimo Stilton as he shows that, together, we can make a big difference in taking care of our planet's amazing green spaces.