Link 4K 1986

Professor Stephen Philip urgently needs an assistant to help with the housework at his country home, where he is conducting experiments on three chimpanzees in order to find the missing link in the chain of human evolution. But none of the young people are eager to spend the summer away from civilization, and Philip is forced to hire his student Jane. Upon arrival, the girl meets an old orangutan named Link and soon realizes that she has made the biggest mistake of her life...