Who is «Rudolf»? Why does he show up at the police? And what is the dancing all about? Not to mention: Where is this ominous instrument hidden?
A tricky case! The police are clueless. Apparently, these riddles are about movement and dancing because «Rudolf» keeps mentioning that the legacy of dancing has been forgotten.
This mysterious person called «Rudolf» hid parts of the password in five locations dotted all over the city. You will need the password to deactivate the instrument which he installed. If the instrument makes a sound with an infrasonic frequency, the city's entire population will freeze.