Leon is an introverted guy who leads an ordinary life, spending most of his time on his computer. One day, while browsing the internet, Leon accidentally clicked on a porn ad and downloaded something. He felt a shock through his body, but he didn't think much of it at the time. However, he became worried that his computer might have been infected with a virus, so he spent hours checking for any signs of a problem. After hours of checking, Leon found nothing out of the ordinary, leading him to assume that he must have been mistaken. He goes to bed that night feeling relieved that his computer is still working fine, but as he sleeps, something strange starts to happen to his body...