What could be cooler than traveling during the summer holidays? Just... travel and detective investigation at the same time! This time, Asya and Matilda seem to be involved in a truly dangerous matter. And all because of a blue folder with secret documents that accidentally fell into the hands of curious girls. Now your friends are being watched by international criminals! And it is unknown how it would have ended if Asya and Matilda had not had brave and determined fans ready to help...