Mr. Elmer's Lost and Found Bureau has a special department for particularly serious cases. There, Mr. Elmer's grandson, Alex, searches for lost things with a chatty divining ball while flying over the city in a rocket bed! Anton stumbles upon the lost and found bureau in search of his missing dog, Cuddly Together with Alex, he manages to save a four-legged friend, and also shows that he has a great talent for searching for lost things. So one evening, a bed-rocket appears again outside Antonov's window, because Alex needs help with a big task: all the ghosts from the amusement park have disappeared somewhere!"