Jack Halsey takes his wife, their adult kids, and a friend for a dream vacation in Kenya. But as they venture off alone into a wilderness park, their safari van is flipped over by an angry rhino, leaving them injured and desperate. Then, as two of them go in search of rescue, a bloody, vicious encounter with a leopard and a clan of hyenas incites a desperate fight for survival.
Bill and Ted are high school buddies starting a band. They are also about to fail their history class—which means Ted would be sent to military school—but receive help from Rufus, a traveller from a future where their band is the foundation for a perfect society. With the use of Rufus' time machine, Bill and Ted travel to various points in history, returning with important figures to help them complete their final history presentation.