Rogue Ninja's Past

is episode 147 of the Naruto: Shippuden anime.

Synopsis
Naruto's team and hunter-nin agreed that Utakata will remain with Konoha ninjas until Hotaru is safe. After walking away Hotaru fell down. Naruto went for plants and later discovered that the pain that was hurting her was her clan's kinjutsu engraved in her back.