the far inferior hollow man 2 begin with the brutal slaying of a molecular biologist by a new hollow man who be desperately search of a serum that will keep him alive while invisible . another biologist and previously work on a secret government project and be be protect by a detective who be force to battle the transparent assassin while the government try to track him down . a it turn out and he be a soldier who be mean to be the ultimate weapon for the military with a specific agenda but after neglect to give him the serum and the whole project go awry . this sequel be far less gory than the original with much weak effect and a very typical premise . christian slater play the hollow man and who must have just show up for a day of filming and some voice record and and a paycheck . this be just a sucky part 2 and difficult movie to get into and unlike the first one . let hope the sequel end here . hollow man deserve a good follow up than this .