Can teenagers open a private detective agency? Computer genius Vadka, karate sisters Murka and Kisonka, financial expert Seva did not doubt this for a second. And now all the documents have been completed, the European-quality renovation of the office has been done, but... for three months now the White Goose agency has not had a single visitor! In such a critical situation, you will take on the case of the most capricious client. Or rather, clients... This “madama” wants not only to find out who recently kidnapped her son, but also to return the money spent on the ransom. The tracks led the detectives to an elite private school known throughout the city. Now all that remains is to get out of there safe and sound!