Nobody wants to spend the night in room number 104 at the Hotel Nakata of Madrid, a terror escape room.
Twenty-four years ago almost all members of a Japanese family spent a quiet holiday in Spain, and they were victims of a terrible fire that originated in that room and they all died.
Nanako, the youngest of the family and only survivor of the fire, lives with the horror and doubts of that fateful day. Encouraged by the circulating rumors and legends about what happened, a few weeks ago she traveled to Madrid to investigate on her own, what happened in the room. But suddenly, during her investigation, she disappears without a trace.
Since then, from adjacent rooms and hallways, some hotel workers and many customers believe to hear a distant voice calling for help.
Everyone thinks it’s Nanako, which is still within the walls of the room 104 …