long lost living Michelson Salvatore

the story is about that the Mikaelson mother and father and The Salvatore mother and father had a deep dark secret that they didn't tell the Salvatore brothers or Mikaelson family now that they had a long lost brother he finally come back to mystic falls to tell them about our actual past an how the Salvatore brothers and the Mikaelson family are related will it go great or will they not wanna be part of the family