Posy the penguin is scared of many things - snowstorms, loud noises, the dark - but when her adventurous friend Percy is missing, Posy plucks up the courage to overcome her fears and goes on an excursion to find him. After an intrepid journey, Posy finds an injured Percy in a dark cave. She rescues him and brings him home, realising in the end just how brave she can really be. This heartwarming story about friendship, being brave and overcoming fears when it really matters is sure to become a bedtime favourite.