A French boy, the son of an astrophysicist, came to Armenia from Paris. His father came to work at the observatory. Friends from the pioneer camp undertake to show the guest the beauty of Yerevan. The children escape from the camp and come to the city. A physical education teacher and a pioneer counselor go in search of them. Funny situations await children and adults…
A notebook falls into the hands of a young journalist, where he finds memoirs about his grandfather, who died in the civil wars of the early 20s. The writing does not correspond to the family legend woven about the grandfather. The young man tries to restore the truth.