The closed campus of an experimental university on Russian Island. Student Sonya Kimaeva returns from abroad to the academy's dormitory to investigate the mysterious death of her best friend. But during the time that Sonya was absent, the situation has changed dramatically, and now excerpts from the personal diary of the deceased, replete with shocking details, are in the hands of students and teachers. Every day, more and more new secrets of students and teachers of the Academy become known to everyone, thanks to the anonymous blog "Your big secret". And this element cannot be stopped.