An anonymous message is sent to the cell phones of a dozen young men and women. The message is an invitation to attend one killer of a party. No one can refuse to attend but one they will come to regret. An anonymous message is sent to the cell phones of a dozen young men and women. The message is an invitation to attend one killer of a party. No one can refuse to attend but one they will come to regret. An anonymous message is sent to the cell phones of a dozen young men and women. The message is an invitation to attend one killer of a party. No one can refuse to attend but one they will come to regret. An anonymous message is sent to the cell phones of a dozen young men and women. The message is an invitation to attend one killer of a party. No one can refuse to attend but one they will come to regret.