Los Angeles teenager Ritchie Valens becomes an overnight rock 'n' roll success in 1958, thanks to a love ballad called "Donna" that he wrote for his girlfriend. But as his star rises, Valens has conflicts with his jealous brother, Bob, and becomes haunted by a recurring nightmare of a plane crash just as he begins his first national tour alongside Buddy Holly.

Farm boy Daryl Cage's parents ship him off to the big city to live with his brother, hoping he will have a better life there. After a baggage mixup at the airport, Daryl finds himself in possession of a drug cache, which a ruthless drug dealer wants back. The dealer murders Daryl's brother and the small town boy ends up all alone in the big city, being pursued by both the drug dealer and the police, who suspect him of the murder.

A young seminarian rattles the established order at a Catholic parish run by an older pastor.

A poor, elderly white woman living in a tenement in a black ghetto is befriended by a neighborhood boy, and the two of them form a mutually beneficial relationship: he provides her companionship and protection, and she becomes the mother he never had.