After the mysterious, savage death of an old friend, a group of teenagers find themselves in possession of"Stay Alive," an ultra-realistic 3d video game based on the spine-chilling actual narrative of a 17th century noblewoman, known as"The Blood Countess." The gamers do not understand anything about the game other than they're not supposed to have it... and they are dying to play with it. Unable to withstand temptation, the children begin to play with the match but so on make a frightening connection -- they are each being killed one-by-one in the same way because the characters that they played with in the match. While the line between the video game world and the real world disappears, the adolescents must find a way to defeat the vicious and merciless Blood Countess, all the while hoping to... stay alive.