Hollow Man (2000) is a science fiction thriller directed by Paul Verhoeven. The story centers on Dr. Sebastian Caine, a brilliant but arrogant scientist working on a top-secret government project to develop invisibility technology. Sebastian leads a team that successfully discovers a serum capable of rendering living beings invisible. Eager to prove his achievement, Sebastian volunteers to test the serum on himself, despite warnings about the potential dangers.

After becoming invisible, Sebastian initially enjoys the power and freedom his condition provides. He experiments with his invisibility, playing pranks and exploring the limits of his newfound ability. However, as time passes, the serum’s side effects begin to take a toll on his mind. His personality shifts, becoming more aggressive, manipulative, and unstable. This change puts his colleagues and loved ones in danger.
Sebastian’s descent into madness accelerates as he uses his invisibility for increasingly violent and selfish purposes. He isolates himself from the team and begins terrorizing those around him, convinced that his invisibility makes him unstoppable and beyond consequence. His former colleagues, including his lover Linda McKay and fellow scientist Matt Kensington, try to stop him before he causes irreversible harm.
The film builds intense suspense as the invisible Sebastian stalks and attacks his team inside their high-tech research facility. The survivors must use their wits and teamwork to outsmart a nearly unstoppable foe who can move unseen. The tension culminates in a violent confrontation that tests the limits of human morality and the consequences of unchecked scientific ambition.

Hollow Man explores themes of power, corruption, and the dark side of human nature when freed from accountability. Visually, it was groundbreaking for its time, using innovative special effects to realistically depict invisibility. The film received mixed reviews but was praised for its thrilling action sequences and compelling performances, especially by Kevin Bacon as the dangerous and tragic Sebastian Caine.