Emir, who creates content about mysterious events on social media, takes a solitary step into the abandoned building known as "Apartment No. 129" to trace the trail of a paranormal event that occurred in 2009 and shook the entire country. However, Emir will find himself in an unexpected confrontation within this cursed and horror apartment. From the moment Emir takes his first step into the building, he will deeply feel the spirit of the abandoned building and encounter traces of the major event that occurred in the past. However, Emir, who has doubts about the existence of the creator, will not only explore the past, but also confront his beliefs with terrifying events in his own inner world. Within the building, in a battle where mysterious entities and his own fears clash, will Emir be able to survive with his faith and intelligence? Can you keep Emir alive and get him out of this cursed apartment in this horror-filled battle with multiple endings where you will encounter terrifying characters?