14-year old Reilly Evans is sent to live with his Aunt Ellen and Uncle Jonathon in Australia after his father is arrested, and his mother is admitted to an institution. After arriving in his new home, Reilly meets Aggie Thackery, a girl from London who will be living and working closely with Reilly's veterinarian aunt on a vet internship. When Reilly and Aggie arrive at the Wild Spring Animal Clinic (Ellen's workplace and home), they discover that life will be much different here down under. Not only are Ellen and Jonathon surrounded daily by exotic animals, they have no TV. Reilly doesn't take the culture shock well, and storms out of the house on a walk, but not before arguing with Aggie about their new home. During his walk, Reilly runs into Miller, an Australian boy his age who welcomes Reilly to his new home. The two boys see a girl their age on her horse ride by, and Miller explains that her name is Fiona McDaniel and she's a loner. When Reilly returns home, his aunt asks