一群政府科学家在地下秘密研究机构，从英国洞穴发掘的不知名骨头中萃取DNA，培植出一只魔龙。这只怪兽诞生后没多久，就野蛮地杀死了自己的主人，然后逃脱。

Convicted corporate criminal Howard engineers a prison break as he and a number of fellow inmates are being transferred to a new facility. The escapees storm a shopping mall and take a group of shoppers hostage (after killing many more of them) before making their demands. Only Rudy, a former mercenary and brother of one of the fugitives, can take out the criminals before more of the hostages die.