The story takes place when the brothers visit their grandfather, Hiro, in Japan. Upon their arrival, they discover that Hiro has been challenged by a wealthy and evil businessman, Ryoga, who seeks to take over the legendary Mega Mountain. The three ninjas must use their skills to help their grandfather and save Mega Mountain from falling into the wrong hands.

"3 Ninjas: High Noon At Mega Mountain" is a 2009 American martial arts comedy film and the third installment in the "3 Ninjas" film series. The movie follows the adventures of three brothers, Rocky, Colt, and Tum-Tum, who are trained in the art of ninjutsu.

The movie features a blend of action, comedy, and heartwarming moments, making it an enjoyable watch for both kids and adults. If you're looking to download or stream the movie, you can search for "3 Ninjas: High Noon At Mega Mountain Torrent" online. However, be sure to use a reputable and safe torrent site to avoid any potential risks.