Toopy is a mouse with a very vivid imagination. Always spontaneous, he sees the world around him with an innocence that allows for anything and everything to be transformed. Binoo, the tiny cat, is the perfect sidekick for Toopy. He shares the same sense of wonder in the adventures with his friend, but his perceptiveness allows him to see the things that Toopy misses. Join Toopy, Binoo and their friendly monsters on a journey through limitless imaginary worlds.