Another season, another story from just beyond the Rainbow Bridge. It's a Wonderful Dog - Summertime. It's summertime in Merivelle, and Riven Chapowits is on a mission to show he's a changed man. An earlier vow doesn't allow him to explain himself, testing his resolve to stay the course of redemption. Bear Bailey, the Great Pyrenees who sees the best in everyone, endeavors to help Riven get involved in the community. But Riven's history, coupled with Bear's age, makes it challenging for both of them. Hoping to put her beloved town on the map, Bear's owner, Mary Bailey, makes a deal for a country music superstar to film a series of videos in Merivelle. Juggling the new venture, she neglects to keep tabs on old friends. When a visitor arrives right before the week-long video shoot, they may have a history that jeopardizes everyone's hard work. Meanwhile, a sweet, but scared puppy soul refuses to come to Earth until the Rainbow Bridge angels tell her stories about Bear Bailey. Eager to meet the Great Pyrenees, Betty appears in Merivelle and learns that even when life's road is difficult, it's still an adventure worth taking. Especially when you share the journey with a wonderful dog.