Holmes' life is in danger. The criminal mastermind Moriarty is after him. Holmes has stood in his way several times, attempting to catch him and prove his guilty. The great detective creates a complex plan with the only goal to solve what is to be the greatest and crowning achievement of his lifetime. Moriarty is however an equal opponent who is not to be underestimated. Moriarty's and Holmes' paths cross near The Reichenbach Falls in Switzerland. Who will prevail in this battle between good and bad, law and outlaw? Will Holmes complete his life goal or he will die trying? "The Final Problem" is a part of "The Memoirs of Sherlock Holmes".