Jae Pil used to run a karaoke with his mother. At some point, Jae Pil will receive text threats from an unknown person. Then one day, after a small fight with his brother, he turned violent. After that, he apologetically went back to his younger brother, however, he was unconscious. Then, he got the text threat again.

A man suffers from mental illness after having lived with a mother suffering from dementia and a brother addicted to gambling. Now institutionalized, he falls in love with a nurse at the psychiatric hospital.

In the dead of winter, a screenwriter travels to his friend's closed cabin resort in the mountain with the intention of working on his script. Instead of being alone, he finds himself in the company of annoying strangers, from intrusive townsfolk who welcome themselves in to vacationing skiers who won't take no for an answer. On top of that, mysterious sounds at night hint of something sinister in the woods. He realizes that he may have opened the door to a killer when dead bodies begin to turn up. Five years after his acclaimed debut Daytime Drinking, indie director Noh Young Seok returns with his second indie feature Intruders, applying dark comedy and satire to an unsettling cabin-in-the-woods suspense thriller.