Life at Second Chance Ranch becomes hectic after Grace offers to take in animals from a petting zoo. Even though her impulsiveness earns her the responsibility for taking care of the big Berkshire pig, Daisy, she is happy that the llama, Harry, is also under her care ... that is, until she discovers his ill-temper. Still, she decides to train Harry as part of her science project. But spitting llamas don't care if a hypothesis is proven or not. Can Grace pull off the best science project ever?