Moscow. High-rise. Here, on the 12th floor, are the offices of the call center "Online store for adults". One morning,the twelve employees present in the office find out that there is a bomb in the room. Voices of unknown persons, who introduced themselves as "Dad" and "Mom", threaten to blow it up at any moment if the hostages do not follow their instructions. While the bomb is ticking, they have to experience the absolute power of invisible sadists and learn about each other's life.