Naruto Uzumaki is framed for attempting to assassinate the Fourth Raikage and attacking the Hidden Cloud Village. He is sent to the inescapable Hōzuki Castle—a criminal fortress submerged in a lake, guarded by monstrous creatures and ruthless jailers. Stripped of his headband and isolated from his friends, Naruto must survive brutal prison rules, uncover the true mastermind behind the plot, and master a forbidden jutsu called the "Box of Supreme Bliss" (or the "Box of Heavenly Bliss").

(the 5th movie in the Shippuden series) from a specific source, likely for download or offline viewing. Based on your search string,