Despite the distraction of trying to construct her new life as a single mother, Iris discovers that the elephant keepers are locked in a bitter feud, the new veterinarian is keeping secrets, and an old flame still hates Wallace. New-born clouded leopard cubs cheer up the troubled staff, but even that has its dark side. Adding to the chaos, animal rights activists are picketing the zoo. They want the elephants sent to a sanctuary, but is that a better option for them than the improved exhibit that is on the drawing board? Why isn't that exhibit under construction as planned? A new foreman shows up with alarming ideas, the police keep dropping by, and animals are disappearing into thin air...