本陣殺人事件

Ichiyanagi Kenzou was supposed to have a bright future as a university scholar, but became ill and since then withdrew in the mansion of his family. Suddenly, at the age of 40, he decides to marry the 15 years younger Kubo Katsuko. She is a respectable young woman earning her own money as a girls school teacher, but the marriage is not exactly tolerated from the Ichiyanagis. Even though they still believe in standing and pedigree instead of thinking of the present and future, the ceremony takes place eventually. However at 4 in the morning screams and the shrill plucking of a koto rouse the family and their guests. When they look after the newly wed couple in their annex, they find them gruesomely slaughtered by a katana that is found stuck in the snow around the rear entrance. What is more, the sliding doors were locked from the inside and no footprints of the culprit were found that could hint at the culprit's escape... Kindaichi Kousuke, a detective that became renowned recently, is summoned to call this locked room murder.

隻眼の少女

Student Taneda Shizuma visits the secluded hot spring village Sugarumura to commit an allegedly romantic suicide. Before his awaited first snow falls though, he encounters the detective-in-training Misasagi Mikage, a 17 year old girl who wants to succeed the name of her deceased mother, a rumored and famous great detective. Soon they wind up in serial murders in the Kotosaki family, the religiously rooted governing family of the village. Mikage sets out for her first case and points out the correct culprit at last. Or so it seems until Shizuma visits the village once more 18 years later...

姑獲鳥の夏

Kuonji Kyouko, the daughter of a family-run obstetric clinic in Tokyo's Zoushigaya, has been pregnant for 20 months. 3 months into her pregancy her husband Makio vanished from a locked room in the clinic. Her sister Ryouko wants to unravel the mystery around her family's clinic and contacts detective Enokizu and his "assistant" Sekuguchi.

鴉

After his younger brother Abel returns from a small mountain village not even mentioned on any map and getting murdered shortly afterwards, Kain finds and sneaks into this village to find out the truth behind his brother's life he had there, the reason for his sudden return and the identity of his murderer. His investigations unfold a tale of envy, hatred and hypocrisy...