Five years after Ursula Stanhope left civilization to marry George of the Jungle, her mother Beatrice and her ex-fiance Lyle wants to seperate the couple, so Beatrice invites them to Las Vegas. When Beatrice and Lyle's words cannot persuade Ursula, they hypnosize Ursula to forget everything about Geoge and make her believe that she has got married with Lyle. At the same time, Lyle tricks to steal the deed to Ape Mountain from George and sends two agents to destroy the jungle. Now, George is missioned by rescuing the jungle and reconnecting with his wife and son at the same time.