In the jungles of Sulawesi, Indonesia, lives the crested black macaque, a monkey that values friendship over force. The secret to their peaceful lives is an extensive range of facial expressions that they use not only to win friends and find mates, but also to avoid trouble. The situation looks volatile as one troop of macaques meets another, but the rival troop is turned away with nothing more than a stinging glare. Crested black macaques look after one another, and even share childcare duties, and when problems arrive they work together to succeed. This program reveals the amazing lifestyles of these expressive macaques.
