在瑞士女子学校里,一个狂暴的杀手遛走, female students fall victim one by one. Suspecting the protagonist, Jennifer, who suffers from a sleepwalking disorder, her teachers and peers accuse her of being the murderer. However, forensic science proves her innocence, driving Jennifer to hunt down the real killer. Leveraging her unique ability to attract insects, she embarks on a thrilling chase that unveils dark secrets hidden within the prestigious institution. Delving into the labyrinth of suspicion and fear, Jennifer's quest for truth leads her to a chilling revelation about the true identity of the murderer lurking in their midst.