Friendship is not such a simple matter, and Julka knows it well. She is 12 years old, going to boarding school and never had a real friend. The holiday begins, and with them trouble. Julka instead of her parents in Canada, goes to her aunt in Warsaw. In the same tenement house Olek lives with an inseparable dog Pulpet. When the kids get into the treasure map, the adventure begins. On the way to solve the riddle becomes a thief gang, nanny - an addictive smoker and suspicious candy eater. Nobody is the one to say and the race continues. To get out of this story, Julka must overcome distrust and dare to be friends.