Sera Steves has been a zoologist at the San Antonio Zoo for five years and has a passion for exotic creatures. After doing some research she jumped at the opportunity of a whole new life as a wildlife ranger at the Billabong Sanctuary in Townsville, Australia. Though she might know these animals better than anyone, she hardly knows her new roommate and colleague, Christina. It's up to these two wildlife enthusiast to find the perfect home for themselves and the animals they love when House Hunters International goes down under in Townsville, Australia.