Duets follows a group of seemingly disconnected individuals whose paths cross on their way to the national karaoke competition in Omaha. Among them are a former salesman turned karaoke hustler (played by Huey Lewis), a cab driver (played by Andre Braugher) who dreams of being a singer, a small-time criminal (played by Paul Giamatti) who uses karaoke to unwind, and a runaway (played by Gwyneth Paltrow) who is trying to escape her troubled past.
As they make their way towards the competition, the characters share their stories and hopes, ultimately discovering that their common love for karaoke brings them closer together than they ever thought possible. Along the way, they encounter other eccentric characters and hilarious mishaps, including a karaoke machine robbery and a country-western duet featuring Lewis and Paltrow.
The climax of the film is the national karaoke competition, where the main characters compete against each other and a host of other talented singers. Through their performances, the characters come to realize that karaoke is more than just a cheesy pastime, but a way to connect with others and express themselves in a meaningful way.
Overall, Duets is a heartwarming and entertaining film that celebrates the quirks and joys of karaoke culture, with a star-studded cast and an unforgettable soundtrack featuring classic hits and original songs.