Kazuko Yoshiyama is a third-year junior-high-school student. One day, while cleaning the lab, she smells lavender and faints. From then on, she has the power to travel through time.
A young theatre actress fights for her uncertain career while having to confront the personal sacrifices that will arise from it.
Invited for a anniversary celebration, Kindaichi, Miyuki and inspector Kenmochi re-visit the Opera House. There they discover that a play of The Phantom of the Opera is being rehearsed again. However, it doesn't take long when members of the acting troupe are killed by the Phantom. Kindaichi will once again have to solve a murder series in the Opera House.
