When the owner of the house insists that he did not murder Kanta, he and CID begin searching the apartment in search of signs of burglary. At the house, they find that his safe has, in fact, been burgled. But it turns out that Kanta was involved in the burglary too- she was the only other person who had a key to the safe! Who was her partner in crime? Was he the one who killed her? Will CID solve this mystery?