At a national park in Kenya, English game warden George Adamson and his wife, Joy, care for three orphaned lion cubs. After the two larger lions are shipped off to a zoo in the Netherlands, the smallest of the three, Elsa, stays with the couple. When Elsa is blamed for causing an elephant stampede in the nearby village, head warden John Kendall demands the young lion either be trained to survive in the wilds of the Serengeti or be sent to a zoo.

The bad guys dynamite a fish hatchery. They're trying to put the hatchery out of business so they can get possession of oil underneath the lake. Roy is a game warden investigating the dynamiting.

A scientist develops a formula which will cause animals to regress to the form of their primitive ancestors, and tries it on himself with disastrous results.

Evil poachers killing rhino’s who turn to butchering humans instead, blah, blah, blah... Deon Stewardson kills the main villain in a fight at a taxidermists workshop - impaling him on, wait for it, wait for it... a rhino horn!