Sour teasing Apple escalates into a "prank war" between the two of them. After the girls' feud disrupts the town, they are sentenced in a Berry Bitty City-style trial to camp alone together for a whole weekend. Miraculously, they emerge best buds, and their friends are relieved, until Sour's influence on Apple turns her into a mini-Sour, and they have to do a personality "makeover" on Apple.
Apple's rave review on her berryweb page of Strawberry's new dessert starts a booming mail order dessert business for Berry Bitty City. When Strawberry's stuffed-up nose makes her bake a bad-tasting cake, Apple, afraid the truth will hurt Strawberry's reputation, proclaims it's delicious. The fib snowballs when the Queen of Berryvania reads Apple's review and orders Strawberry's new cake for her ball.
At the girls' campout, Sour launches into a whopper of a yarn about the adventures she and Sweet had in the "Berry Deep Dark Forest." She tries to get Sweet to participate in spinning the tale, but Sour's over-the-top performance leaves Sweet behind. Toward the end, Sour graciously changes the story to pull Sweet into it, giving Sweet the opportunity to toss in an ad lib that makes a nice topper to Sour's story.
When Sour wishes she could have a birthday all her very own, her twin sister Sweet grants her wish by forgoing celebrating her birthday. But what begins as a day that Sour has always dreamed of quickly becomes a disappointment when she misses her twin. With Strawberry's help, Sour gives her birthday back to Sweet with a special surprise.
Lemon and Raspberry's fashion podcast is saved by Apple, then almost sabotaged by Sweet and Sour when Lemon's "mood hair" runs amok, acting like the bickering twins, and the twins' comical argument is accidentally broadcast on the "berrynet."
Strawberry's world-traveling cousin Apple Dumplin' stops at Berry Bitty City. What starts as a brief visit becomes a series of comical misadventures that ends with Apple finding a new home with Strawberry and her friends.
Berry Bitty City is abuzz as Berrykin Bloom introduces the biggest, juiciest, strangest fruit anyone has ever seen! It's the size of a house, shaped like a strawberry, colored like a watermelon and has a spiky pineapple top. "I call it the sparklestrawwaterpineberry!" says Berrykin Bloom. Princess Berrykin declares it the greatest achievement in Berryculture she's ever witnessed.
To convince the dance-averse Huckleberry to attend the big masquerade ball at the dog park, Blueberry promises she'll stay by his side the whole evening and make sure he doesn't have to dance. But as the day of the ball dawns, Blueberry awakens with a bad cold. She doesn't know how to tell Huck that she can't go to the ball. Lemon and Raspberry misinterpret her sniffles, thinking she's so heartbroken to be disappointing Huck that she's crying!
The girls plan a formal afternoon lawn party tea to inaugurate their new dog park. Plum is in charge of decorations, Cherry music, and Strawberry snacks. There's even a giant, dog-shaped ice sculpture. As the girls get dressed, Raspberry puts the finishing touches on the high-fashion hats that will accompany their beautiful gowns. At last everything is ready. But when the gate opens... the puppies back away!
The girls are driven to distraction by their frisky puppies frolicking all over Berry Bitty City! Full of energy and thinking that everything in town is a toy for them to play with, they cause comical mayhem wherever they go. Strawberry suggests the pups need a place of their own where they can play, a dog park! The girls decide to call in Huckleberry, who runs an animal hotel in Berry Big City, to help design the park.
Cherry Jam is so enjoying staying in Berry Bitty City, that she calls her managers in Big Bitty City and informs them that she is going to stay for a much needed vacation! Strawberry and the girls are thrilled that she will be with them for a little longer, and they do all they can to make their guest comfortable. But Cherry doesn't want to be treated like a guest she wants to fit in and contribute to the community.
With time running out before the Grand Opening celebration for the new Marketplace, Strawberry's friends get the idea to invite her favorite singer, superstar CHERRY JAM, to be the guest singer. The girls are blown away when their berryjuice cell phone gets a text message that Cherry accepts their invitation! Strawberry is touched by their surprise, but reminds them that now the town and Marketplace really have to shine!
Strawberry is really touched when her girlfriends and the Berrykins volunteer to help her with the construction of her new marketplace, so when the girls suggest they take charge of designing Strawberry's dream-bedroom to go on the second story, of course Strawberry agrees. While construction is going on, the girls each show Strawberry their individual ideas for the bedroom.
After returning to the café after a walk with her pets, Strawberry is met by Mr. Longface. He's been waiting for her so that they can get started making treats and decorating for Sadiebug's and Kadiebug's party that afternoon. But Custard and Pupcake have enjoyed their time outside so much that they want to continue playing.
With all the Baby Berrykins running around Berry Bitty City, Princess Berrykin decides to build a Day Care Center and playground. But she's worried because it's dull-looking - all grey metal and brown wood. She asks Strawberry whom might be good to help her out. And two names immediately come to her mind - Lemon and Raspberry! The Princess confesses she's always admired their sense of design and style.
While working in her store, Orange overhears the Berrykins laughing and shouting outside. When she goes to the door to investigate, a clump of dandelion fluff gets blown inside chased by three Berrykins. She watches as they head butt the clump around until it floats back toward Orange. Just as it floats close, she gives it a bat sending it outside and the Berrykins happily chasing after it. Wanting in on the fun, she joins them.
While sipping cider in Strawberry's café, the girls muse about how they cannot wait for winter to arrive. They list the various traditions they love about the season but the one they all agree on is the Glimmerberry Ball. Strawberry mentions that she doesn't think the café can hold the party this year because of how the town has grown. The girls decide to split up and search for a new location.
Raspberry is distraught when she suspects her friends have copied her design on her lantern for the "Glimmerberry Gathering".
It's time again for the Dance-Off between the Big Bitty City Dance Team and the Berry Bitty City Dancers. Plum is stressed out and frazzled because she desperately wants to win. And the Big Bitty City Dancers are a force to be reckoned with. They are elegant and beautifully synchronized. Plum shows the girls a maze of dance steps that she's choreographed in the hopes of creating a winning piece. The problem is, the contest is only 1 week away!
The grove around Berry Bitty City is abuzz with activity. The Berrykins are using their sparkles to harvest berries, Berrykin Bloom is in his garden spraying flowers with a special solution to make them larger, and Raspberry is nearby gathering flower petals to make perfume. The wind starts to blow and picks up some of the sparkles. The sparkles float along the wind and get combined with some of Berrykin Bloom's solution.