A lazy programmer begins to investigate the disappearance of one of his coworkers and discovers that this disappearance may be related to a sinister cult.

As they delve deeper into the investigation of Mr. Omori's disappearance, Kyousuke and Misa discover that his younger sister, Yumie, is a key figure in solving this mystery. At the same time, the mysterious Hecate cult also wants to get their hands on Yumie.

Kyousuke finds the key to solving the mystery of Mr. Omori's disappearance and now needs to hurry to accomplish his final goal. Meanwhile, Misa is captured by the Hecate cult and races to try to escape before they manage to revive the dark goddess.