The closed campus of an experimental university on Russky Island. Student Sonia Kimaeva returns from abroad to the academy's dormitory to investigate the mysterious death of her best friend. But during this time that Sonya was absent, the situation has changed dramatically and now passages from the personal diary of the deceased, replete with shocking details, are circulating through the hands of students and teachers. Every day more and more 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.