The family band's tour ends with a day of dogsledding, which turns into a race to see who has the fastest pack. Once they're home, the kids hurry to plan a surprise for their parents on their anniversary.
The Willises must relocate after making a startling discovery in their house, but they aren't sure where to go or what will happen to the album they're recording. Meanwhile, a show for music executives is planned; and another family band comes to town.
Jessica loses her voice, which causes concerns that Jasmine may have to fill in as the lead singer. Meanwhile, Jet has a frightening encounter on horseback during a weekend of shows in Arizona; and Jazz tries to calm her nerves by singing "Hit Me With Your Best Shot."
Jet goes to an awards show in North Carolina with mandolinist Cory Piatt, but they're chaperoned by Jenny and Jair. Back at home, the family starts working on a new album and recalls a tragic story, while the Willis' dog has a litter of nine puppies.