Moriartys Letztes Rätsel [Moriarty's last riddle]

Sherlocks! Moriarty seems to be dead, but before his death he organized one last scheme on a grand scale. Only the real Sherlocks have the ability to follow the almost invisible track that the evil genius left behind and reveal the terror that he planned. A duel of two minds, two sides, they are like yin and yang, so similar yet so different. Will you Sherlocks be able to solve it? The clock is ticking!