A woman watches as several chimpanzees fight each other. A chimp uses a branch to hit an another chimp.
A man tells about a chimp, who was beaten up if it didn't win motorbiking, and that it's teeth were pulled out so it shouldn't fight back.
There are talking about cancer, and that a man's chimps are chosen to be test subjects for radiation for such disease.
A woman briefly mentions having seen several chimps being eaten by leopards.
A man and a woman argue with each other. No violence involved.
A chimp is attacked and bitten by a leopard. We don't see much, but we later see the chimp injured with some blood visible.
A man gives his blood to the attacked chimp, so it can survive.