The French Powder Mystery

French's Department Store on Fifth Avenue is the place for modern living and exhibits fancy furniture every day in a special show window at noon, which became an event on the street. One day when the demonstrator pushes a button to unfold a bed from the wall, a corpse slides from the sheets! Inspector Queen and his son Ellery arrive at the scene and eventually conclude that the murderer must be an employee or otherwise affiliated person of the store and so Ellery sets out to narrow down the only possible culprit.

The Chinese Orange Mystery

The 22nd floor of the Chancellor Hotel includes both the Kirk family's suites and the office of Donald Kirk's Mandarin press. In a waiting room of said office a man is found murdered by a poker smashed over his head and with two african spears pushed through his clothes. The just as strange fact about his clothes however is, that they are entirely reversed - just as everything else in that whole room has been turned backwards! On top of that, all the people living or working on that floor claim to have never seen this man before...

The Siamese Twin Mystery

Ellery and his father wind up in a forest fire and have to refuge in the Xaviers' mansion. While being hospitable there is a strange tension among the inhabitants and the reason for the other guests' stay only becomes apparent after Dr. John Xavier is found murdered in his study, his right hand grapping a six of spades torn in half.

神のロジック 人間のマジック

Eleven-year-old Mamoru finds himself being handed over by his parents to a strange facility that certainly is not on Japanese ground. Even knowing he will return to his parents when starting middle school, he needed some time to adjust to the new environment but eventually got used to it and found new friends among the other five students in the rather unusual residental school in the midst of nowhere.

Half a year after he arrived at the facility, the students finally start to discuss various theories about why they are gathered in this building from all over the world to routinely work on the deduction workshop's assignments.

When a seventh student is announced, things start to distort like they did when another student arrived before Mamoru came and eventually disappeared without any trace. Is there really a black evil something in this facility that despises change? Everything gets out of control when the first murder happens...