Pokémon 6x12

Ash and co. are having a good time swimming at a lake when a crew of Lotad appeared and threw them out of the pool. Later, they figure out that these Lotad are taken care of three sisters, Nicole, Natalie and Rita, which are holding a flower shop with many kinds of Berries. During this time, Natalie develops a crush on Brock, which leads her to do something risky. At the same time, Brock helps a Lotad that doesn't know how to use Water Gun properly. How will this friendship go and what will happen with Natalie's crush?