On the way to Floaroma Town Ash and friends arrive at a cake shop where they meet Theresa and her aunt Abigail, who run the shop. They find out that a annual bake-off will be held soon and usually Abigail wins it making her special cake with her Pikachu, Sugar. However, Sugar recently left leaving Abigail sad and debating whether or not she will be entering the contest this year. Theresa convinces Ash to let Abigail borrow his Pikachu for the contest, and pretend that it is Sugar, and he agrees. However, Team Rocket once again threatens to ruin the plan.

Ash & Co. are at Floaroma City. Dawn is eager to enter the contest and try and win her first ribbon, however her childhood friend appears, boasting none other than Dawn's Piplup's next evolutionary stage; Prinplup. Dawn is eager to challenge her friend. However, Team Rocket have their eyes set on the Prinplup. Will they be stopped and will Dawn battle her friend in the contest?