"Everyone has dreams, and dreaming is never stupid." So says Paula, a girl whose dreams are as big as her heart. For a long time, Paula has kept a diary, and written inside are her biggest secrets. When her diary is stolen by a pair of child thieves, she is devastated. But Tobi, a fellow classmate, knows where the thieves live, and offers to help Paula in exchange for tutoring lessons to pass his English exam. What starts out as a simple routine soon turns into an adventure, and Paula and Tobi eventually discover that first impressions can sometimes be wrong, and that some things are more irreplaceable than others.