LARP Murder Mystery

A number of people have received party game invitations online. Players around the world arrive at a hotel to solve puzzles. Dramatic murders and haunting events follow.
Players must find clues on each floor before they can proceed to the next.
Later on, all of the players are killed except for a man and a woman who hated each other. They need to work together to investigate who the game master is among the players. A live-action role-playing murder mystery game unfolds.