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.

Crenshaw's music has roots in classic soul music, British Invasion song craft, with influences from Burt Bacharach and Buddy Holly. Crenshaw is a noted guitarist who uses offbeat chord progressions and concise solos. He is best known for eponymous first album included the US hit "Someday, Someway".

At her 25th high school reunion, Peggy Sue faints and awakens in 1960—back in her senior year, before her marriage and all her regrets. Given a second chance to relive her youth, she must decide whether to change the choices that shaped her life or embrace the past that made her who she is.