Ash and friends meet Elesa, Ash and friends run into Bianca and meet her Father, Bianca reveals to have obtained a Shelmet, Bianca battles Elesa and lost, Ash battles Bianca's Father and lost, Bianca's Father lets her continue her journey.
After the events that occured at the Battle Subway cause of Team Rocket, Ash and co. made their way back to Nimbasa City the next day. Now it's time for Ash to challenge the Nimbasa City Gym and they have a run into Bianca again (in her usual way). They soon realize the Gym is closed since the Gym Leader wasn't there. Turns out the Gym Leader, Elesa, was busy with a fashion show, but after seeing a Pikachu, she introduces herself and accepts Ash and Bianca's Gym Challenge. However as Bianca's Gym Battle was about to begin, her father appears and wants to bring her home, but Bianca refuses to go back home. The battle goes underway and Bianca lost. Will she continue on her journey or go home?
During the battle against Bianca's father, Ash told Oshawott to use Shell Blade instead of Razor Shell. This is the second time Ash has done so, the first being in BW031: Oshawott's Lost Scalchop! During the battle against Stephan and his Blitzle which is now evolved into Zebstrika in BW041: Reunion Battles In Nimbasa!