The Theatre of the Lost Footsteps is a mysterious place that is located in Kampa, an island in the center of Prague. Despite the size, the Theatre isn't normally visible nor reachable, because only who are allowed can find it. The Theatre is constantly surrounded by a thick mist, that is what separates it from the normal world. In fact, thanks to Caleb Lost's power, the Theatre exists in a spatial phase shift, and the access is forbidden to anyone who doesn't have his approval. The Theatre is also the headquarter and the home of Caleb, Harlan, Kurjak, Tesla, Nicholas and Ljuba. The Theatre has many rooms and floors, which house the bedrooms, the library, the main stage, the basement and more.