1) A man named Tom is being stalked without his knowledge. The stalker watches Tom's house from afar and breathes heavily, intensifying each night.
2) On the third night, the stalker enters Tom's house while he sleeps. Tom awakes to find the stalker above him with a knife.
3) Loud screaming and thuds are heard. The next night, the stalker uploads a video of Tom asleep to a stalking website, implying he has killed Tom.