An important manuscript, the result of many years of scientific research, was stolen at Moscow State University. Applicant Gayane, nicknamed Gaika, has no choice but to agree to investigate this strange incident. There are three suspects. All three girls are fifth-year students, each of whom has a very good reason to take such a risky step. But who actually committed the theft? Smart and determined Angela? Varya in need of money? Or Rita, who is into emo culture? Gadget is on the trail, but will she be able to figure out the intricacies of university life and find what was stolen?