Lee Van Cleef and Timoty Van Patten are back in this "sequel" to their last "movie" about a ninja and his apprentice battling evil wherever they go. In reality, it's two episodes of failed TV show 'The Master' repackaged as a movie. Also featured in an episode of Mystery Science Theater 3000.

When THRUSH steals a nuclear weapon and demands a ransom delivered by Napoleon Solo, UNCLE recalls him and his partner to duty.