Quick recap
Filler arc. In the Land of the Sea, fishermen talk about a Kaima, a monster that attacks out on the water. Naruto and a Leaf group including Anko investigate and find that the creature is Isaribi, a girl kidnapped and transformed by experiments in an underwater lab tied to Orochimaru and run by the scientist Amachi. Anko suffers from Orochimaru's mark as the group storms the place. Naruto draws on the Fox's chakra to beat Amachi and the creature he unleashes. Isaribi sees that Naruto understands her loneliness and heads to Konoha in search of a cure.
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