The head of the Magic Investigation, Jeiko Tatsu, receives operational information about the arrival of a top-class master thief in his city. What he is going to steal is unknown, but many very influential people behave painfully suspiciously. What was so valuable that appeared in the city? And so valuable that in order to take possession of it, they do not disdain either theft or murder? This is what Jako is trying to find out. As well as who is behind all these crimes.