Veteran thief Sammy Silver struggles to trade his criminal ways for married life after he falls in love with a single mother.
Yet to fulfil their rock and roll destiny, now middle-aged best friends Bill and Ted set out on a new adventure when a visitor from the future warns them that only their song can save life as we know it. Along the way, they are helped by their daughters, a new batch of historical figures and a few music legends — to seek the song that will set their world right and bring harmony to the universe.
Recently released from prison, Beth is working with her public defender to get her son back from her sister, who was awarded legal custody while Beth was incarcerated for ten years. Soon after, Beth forms an unlikely alliance with Jess, an idealistic young protégé of the public defense team, who decides to take on Beth's cause whether she likes it or not.