Francis Ratay witnesses the theft of church painting "Angel with violin". The entire incident recorded by an amateur camera. The thief turns out to Benedict Weber, gallery owner and art connoisseur. Francis comes to his gallery. Blackmails him, that will provide police record, unless the image in three days back in place.

While struggling to be admitted to an ancient philosophy class, Lidia meets a rival, Hania, with whom she fights for the professor's recognition.