At Animal Ark, Mandy Hope helps her parents treat animals of all shapes and sizes. Even outside the clinic Mandy can't resist helping an 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. Even more exciting is that Pixie has been into a competition for the chance to be the model for a Chocolate Easter bunny! But Pixie suddenly falls ill and it is up to Mandy to cure the mysterious illness.