There are so many things to discover in this world, so many adventures to enjoy. Mamma Moo, a curious cow, wants to learn everything: climbing a tree, riding a bike, swinging, building a treehouse,…Her best friend Crow does not understand why Mamma Moo fails to realise that she is a cow. Cows do not ride bikes, they eat grass and stare aimlessly into the distance! But Mamma Moo will not listen. Even if Crow has never met such a stubborn animal, he must admit that you can have a lot of fun with this crazy cow. Maybe that is what friendship is all about…