Part 3/7:
Despite the team's collective success, Sebastian becomes increasingly obsessed with his groundbreaking invention. When he fabricates permission from the Pentagon to try the serum on himself, his colleagues express concern about the risks involved. Despite their warnings, Sebastian proceeds with the self-experimentation, leading to an agonizing transformation into an invisible man. His sense of superiority and arrogance soon becomes apparent as he jokes with colleagues but also gives way to disturbing behaviors.