At Animal Ark, Mandy Hope helps her parents treat animals. Even outside the clinic, Mandy can't resist helping any animal in need. Mandy is thrilled to be staying at James's cousin Nadia's house for a week, and to hear that Nadia has a gorgeous lop-eared rabbit named Pixie. Pixie has entered a competition for the chance to be the model for a chocolate Easter bunny! But when Pixie suddenly falls ill, Mandy must use her veterinary experience to determine what's wrong with him. Can Mandy cure Pixie's mystery illness in time for the competition?