In 1940s Japan, the wealthy head of the Inugami Clan dies, setting off a chain of bizarre, gruesome murders. Detective Kindaichi must unravel the clan’s terrible secrets of forbidden liaisons, monstrous cruelty, and disguised identities to find the murderer.

Jun Hashimoto is a sci-fi novel writer, but he isn't popular at all. He lives off of his savings. One day, his editor Tateyama assigns him a job: he is to write a "love" themed short story for a web magazine oriented towards youths. At first Jun refuses, because he has never written a love story before, but Tateyama pushes him to write one. The deadline is imminent. Jun's childhood friend Keisuke Murata then appears in front of him. Jun complains to Keisuke that he can't write, but while talking to him, he comes up with an idea.

Content with his perfect life, Yoshinori Arai’s eyesight starts to fail and he despairs. How will he battle his illness and return to his dreams?

这部作品讲述的是山间小村中，120年前制成的人偶，以及对立的两个家族之间的种种谜团，由大学生阿部朋成(加藤饰)等五个年轻人逐一揭开的冒险悬疑故事。