Love, Angel, Music, Baby, and G make up the all-girl band HJ5. They are the best of friends and love to create great music together. However, there are many crazy adventures on the way to stardom, and the girls are ready to face all of them! The band is invited to play at Bubble Land, only to find themselves trapped by the evil Madam Shhh! They are offered a contract by Monotone Records, but only if they agree to change everything they love about their music.