Louise Dresser is super as Catherine the Great who takes a bit of a shine to the handsome "Lieut. Dubrovsky" (Rudolph Valentino); but he doesn't fancy that idea very much and as thy say -"hell hath no fury...''' so before long she has issued a warrant for his arrest and he is on the run. He heads back to his family property only to find that that has been appropriated by the wicked "Kyrilla" (James Marcus) so our hero dons a black mask and in his best "Zorro Hood" style, becomes "The Black Eagle" and sets about righting these wrongs. Of course, there's some love interest - he falls for the…