Kindaichi goes on a trip with Miyuki and 2 of his classmates, Senka and Yao to a cottage owned by Yao's family. However, they are aghast to find that the place is in ruins despite what Yao had described. Being bewildered at why the place is in such a state, they decide to walk around to look for lodging to spend the night and ends up stumbling at a building when they lose their way. They meet an old man who wants to chase them away as he's mistaken that they are after something but a group of medical university students staying there for a summer camp decides to take them in. Kindaichi then finds out that the group of students are there to look for something.It is then revealed that the building used to be a research facility and they are searching for some research reports which are said to be here according to rumours on the Internet. Thanks to Kindaichi, the group then stumble upon an underground cell supposedly meant to keep huge dogs especially the Cerebus. The thought that the Cerebus may be lingering around spooks the group who decide to return to their rooms for the night. However, the food supplies being in a mess as if devoured by someone marks the start of a series of happenings including the consequtive murders of the university students. In addition, the fact that the building is surrounded by wild dogs apparently inflicted with rabies causes a dire situation for the group...
