A group of gamers are put to the test on top of a building, using high-tech equipment with which they enter a super immersive virtual reality. If they win the game, they receive a great prize, if they lose, they die. They will try to escape by any method necessary, and if they can't, they will at least try to get their hands on the jackpot. But something is behind this whole project, and there are dark reasons why they were chosen to play 'The Call Up.'