Japanese) and couldn't find one, thus giving us no idea of the storyline of this episode. Luckily, they didn't do the same with the preview video.
The full episode video of Naruto Shippuden 90 (Episode 90) will be available online soon and, as always, a copy of the English-subbed version will be posted on this page for those of you who prefer to watch it online. Rest assured that Naruto Shippuden episode 90 will be posted here as soon as possible. In the meantime, here is the preview video of 'A Shinobi's Determination'. (I have posted two copies of the preview just in case something goes wrong with the other one.)