Night. The brilliant lights of torches illuminating the hall. Music flowing from the orchestra pit. Crowds of people wearing masks. Who knows who's hiding underneath them?

You stood silently not far away from the main hall, where, as a rule, it was noisiest. Feeling someone's presence nearby, you turned to see a man standing next to you.

“Can I ask you to dance with me, young lady?”

This young man smiles, but you still don’t know that he is supposed to kill you...