A reclusive programmer, his sister and her new boyfriend are held hostage by a rapidly evolving computer virus.

6个曾经有过共同创伤性经历的人，决定周年重聚。不久，他们发现所有人都具有纹身，都具有数字6，更恐惧的是，数字变为0则人物皮肤溃烂而亡。问题是，肉之不存，皮将焉附？