It's been a while since the last movie about Paulina P. and our heroine is now already eleven yearsold! Although the adults keep telling her that this is the "best part of her life", it doesn't seem likethat at all to Paulina. In the fifth grade, she will have to face professor Mirković, a strict andindomitable geography teacher, as well as Marta from the class 5D, Paulina's first bully. As if thatwere not enough, she will soon discover that her dear grandmother Ljerka suffers from an unusualand incurable disease. Fighting the troubles that life brings, Paulina will once again use herstrongest weapon, charm and vivid imagination, but also learn a valuable lesson-that life is notonly about winning.