After an unsuccessful marriage attempt Sasha needs to leave Budapest and her Hungarian boyfriend to continue her studies in the US. As the day progresses, their special bond makes separating in the morning a difficult choice.

During the fall of the Soviet Union a young Hungarian boy falls in love with an American girl, when she comes for a short visit to her parent's old town in Hungary. In order to see her again, the 13 year-old boy decides to create a special machine that could transport him to the USA.

The story stars teenager Kornél, who is raised alone by his mother and suffers from asthma, which often prevents him from playing with his friends, and Gyuri, who is the same age as Kornél, but lived in the same house 30 years ago. During the summer holidays, a strange little girl turns up and tells Kornél amazing stories about the house's inhabitants and their mysterious past. Iza inhabits a whole little magical universe in which everything and everyone has wonderful properties and abilities. The boy and the girl embark on a joint investigation to find the former Garaboncias, Kornél's father, who has been kidnapped by the evil Shadow Robbers (Peritons)...