Zhang Fan has long been plagued by strange nightmares. One day, he unexpectedly receives an admission letter from a mysterious academy and enrolls at Passau Academy, an institution dedicated to handling paranormal incidents. Relying on his extraordinary ability to perceive the supernatural and his sharp mind, he trains and grows alongside Xu Zhiqi and other companions, taking part in investigations across various locations and pursuing clues behind the mysterious contamination. During one mission, the team arrives at a remote village, where old photographs and ritual objects bring to light a mystery dating back more than twenty years. Faced with an incomprehensible supernatural influence, Zhang Fan decides to investigate further and uncover the truth.