It is Bub the pug's first trip to the beach, and Bella wants to enter him in a pet-surfing contest, but Bub is scared of the ocean and refuses, so he hopes to make it up to Bella by presenting her with the treasure at the end of the map he found.

"French bulldog Billy the Kid was born with an ear for music. And not just any music. He loves barking to the beat of country music! So Billy sets out to Nashville to sing his heart out. But when he meets some big bullies at the Battle of the Bow-wows, Billy worries he's barking up the wrong tree. He'll need his favorite songs ('Jowlene' and 'I Will Pawlways Love You,' of course), a group of scrappy new friends, and his favorite country music star...