Penny, Polly, and Molly decide to make a cake for their mummy, to show her how much they love her. One by one, other baby farm animals come by and ask if they can help. A foal, calf, lamb, and more add their own touch to the cake, each contribution reflecting how unique and special their own mother is. But when the cake gets too tall, the three chicks must use their problem-solving skills to save it!