In the dangerous forests of the Democratic Republic of Congo, Gordon Buchanan meets the fearsome leader of his gorilla family, Chimanuka, and two baby gorillas, one a lonely orphan. As Gordon gains the trust of these mysterious, seldom-seen gorillas, he discovers their incredible compassion and gets caught up in a battle between giant rival silverbacks for control of the family.
Gordon Buchanan returns to the Democratic Republic of Congo to discover the fate of his gorilla family. When he left, Chimanuka the silverback was being challenged by a rival. At stake were the lives of two of his children, Marhale the orphan and the baby Mwira. Having reconnected with his family, Gordon discovers they face a new threat - poachers in the forest. Can Gordon and the rangers help secure the future of our gorilla family?