The story is set in 1989 at a mysterious mansion called the “Clock House,” located on the outskirts of Kamakura. After graduating from graduate school, rookie editor Kawaminami Takaaki, otherwise known as Konan, visits the Clock Mansion along with the magazine’s deputy editor-in-chief and others. On the night of a séance to contact the ghost of a girl said to reside in the mansion, a psychic suddenly disappears, and they become entangled in a terrifying series of murders. Meanwhile, Shimada, who debuted as a mystery writer under the name Shishiya Kadomi, hears about Konan’s investigation and decides to visit the Clock Mansion himself. There, he pursues the mystery behind the poem “Chinmoku no Megami,” which was left by the mansion’s owner. (Source: Japanese = Hulu || Translation = MyDramaList) ~~ Adapted from the novel "The Clock Mansion Murders" (十角館の殺人) by Ayatsuji Yukito (綾辻行人).