When shy Lexi develops a crush on Jeremy, the club's supportive efforts to help her bake him a heart-shaped cupcake do not go quite as planned, while Kylie's efforts to play matchmaker are compromised by her subjects' mutual animosity and tomboy Sadie undergoes a surprising makeover.

Meet Jenna. She's the Cupcake Club's official taste tester, but the past few weeks have not been so sweet. Her mom just got engaged to Leo- who Jenna is sure is not "The One"- Peace, Love, and Cupcakes has to bake the wedding cake. Jenna is ready to throw in the towel, especially when she hears the wedding will be in Las Vegas on Easter weekend, one of the most important holidays for the club's business! Can Jenna and her friends handle their busy...

Mia tries to make friends with Olivia, the new girl, but when Olivia makes fun of the other Cupcake Club girls and tells Mia she shouldn't hang out with them, Mia must make a decision about her new friendship.

When Kylie tells her friend Lexi that she wishes she had someone to go to the dance with, a secret admirer begins to leave notes and gifts in her locker.

When The Cupcake Club's members hear that Sadie's basketball coach, Coach Walsh, is sick and must take the year off for treatment, they rally together to raise money for cancer awareness with a huge bake sale goal--20,000 cupcakes and 100,000 dollars.

When Emma goes for a modeling gig, Katie tags along for support, but when the agency chooses to go with Katie instead, Emma finds herself jealous.

Fifth-grader Sadie and her friends in the cupcake club face their toughest challenge yet when they compete in the televised Battle of the Bakers.

Hired with the Cupcake Club to serve a huge order at a neighbor's outdoor party, Alex, knowing that her crush will be in attendance, struggles to find just the right outfit when she discovers that she has reached an in-between size.

Hayley and her little sister, Chloe, have just moved into their grandmother's house with their mom, who recently divorced their dad and now runs the family's tea shop. With her knack for baking, Hayley helps out too, but her newfound talent seems to have cost her her best friend, Artie. Now Hayley's crushing on someone who might just be Artie's new boyfriend. This mess really takes the cake!

Penny's mother has moved to Hog's Hollow, and opened a bakery that sells only cupcakes, and she has brought Penny with her. Penny is woebegone: all her friends and her dad are in New York City; she has to help her mother in the bakery; and Hog's Hollow's resident mean girl is making her life a misery.