Charley Thompson, a teenager living with his single father, gets a summer job working for horse trainer Del Montgomery. Bonding with an aging racehorse named Lean on Pete, Charley is horrified to learn he is bound for slaughter, and so he steals the horse, and the duo embark on an odyssey across the new American frontier.
The Herlihys are a working class family from Chicago whose three children take wildly divergent paths: Brian joins the Marines right out of High School and goes to Vietnam, Michael becomes involved in the civil rights movement and after campaigning for Bobby Kennedy and Eugene McCarthy becomes involved in radical politics, and Katie gets pregnant, moves to San Francisco and joins a hippie commune. Meanwhile, the Taylors are an African-American family living in the deep South. When Willie Taylor, a minister and civil rights organizer, is shot to death, his son Emmet moves to the city and eventually joins the Black Panthers, serving as a bodyguard for Fred Hampton.
The frozen body of a prehistoric, but super-advanced, human leads scientists to start covert DNA experiments for the development of a new race of super beings.
Simon is an intelligent and privileged young man whose family expects him to become a Princeton graduate. Crying out for attention from his reserved and cool hearted family, Simon commits numerous petty crimes and is soon sent away to boarding school where he befriends a "Deadhead," adopts the "hippie" lifestyle and dabbles in many drugs in his search for acceptance.
A young man moves to a new town after experiencing a tragedy and becomes involved with a gang of Satan-worshipping teens who believe they have supernatural powers. But by the time he realises he’s in too deep, it may be too late to escape.
