On her eighteenth birthday, Olivia and her family visit the local zoo for a family day out. The outing is far from what Olivia wants. She detests animals locked in cages and how people make a profit from their incarceration. Olivia does not want to be at the zoo. But all of that changes when she finds a new exhibit on the map. Curious to the creature that she’s never heard of, Olivia investigates the nocturnal habitat. What she finds is beyond anything that she thought possible, she struggles to comprehend how this creature became locked behind a wall of Lucite and bars. One day at a zoo will open the door to a future that Olivia never expected. She will learn more about herself and the past that has been hidden from her. One day at the zoo will break her life apart and put her in serious danger.