Twenty-five years ago, filmmaker Colin Stafford-Johnson traveled to Sulawesi in Indonesia and fell in love with the Crested black macaques (Macaca nigra). These feisty monkeys are beach bums with punk hairstyles, expressive faces, copper colored eyes, and some very unusual habits, making them some of the most charismatic of all monkeys. Learning that their numbers have dropped dramatically, he returns to find out why and to see if he can help.