Dominant male bison Baldr is acting up and causing chaos, but the reasons for his behaviour are not readily apparent. There's mutiny in the air in the baboon troop as dominant male Snout is injured in a challenge for his crown. It seems his rival is now making moves on Snout's queen, Gemini. The lowland tapir relies on its long snout to navigate, but Shaun seems to be struggling, and the keepers are worried about the impact on his two sons.