Iona suggests to the others that they hold a training camp at the beach to make their team stronger. After Iona has each member practise their special moves, which looks like typical playing to the normal eye, the girls try to come up with a new group pose, during which Megumi gets soaked by a wave, before winding things down with a beach volleyball match. They then coincidentally encounter Oresky, who was undergoing his own beach training, and use the results of their training to defeat his Lighthouse Saiark. Later that night, as Megumi comes down with a fever, Seiji feels conflicted when he sees Blue carry a blushing Megumi to her room.
いおなの家の同上が持っている海辺のコテージでプリキュア合宿！ プリキュアとしてもっともっとパワーアップするためにがんばろう！…と思ったら、え～っ、幻影帝国も合宿中!? 特訓の成果を見せてやるんだから！
