The Singing Forest's world is collapsing. Her loyal friend, a smart and brave rabbit named Momo, sets out in search of the big city, full of dangers and unexpected allies. There Momo meets a street kitten Tenko, and together they go through a series of trials: from an abandoned factory and warehouse labyrinths to a zoo and a television studio, they confront traffickers, collectors, and the guards of luxurious mansions. Meanwhile Yumi, locked in a cage, captivates people with her talent and quickly becomes a TV star. Before her stands a choice that will determine everyone's fate: fame or freedom.