Hollow man: After years of experimentation, Dr. Sebastian Caine, a brilliant but arrogant scientist working for the Defense Department, has successfully transformed mammals to an invisible state and brought them back to their original physical form. Detemined to achieve the ultimate breakthrough, Caine instructs his team to move on to phase III: human experimentation. Dr. Caine uses himself as the first subject.

Hollow man 2: A Seattle detective and a biologist find themselves the targets of murder from an invisible assassin gone rogue. Other targets for assassination are the government forces who caused him to become invisible.