Doctor Mišić comes to the Jabučevački cacstle, a place known as haunted by ghosts and wraiths. He's stubborn supporter of common sense and logic, taking all assumptions about transcendent world and fourth dimension to be silly. However...

After completing his military service, Boris Horvat finds himself at the crossroads. He thinks about enrolling at the faculty, but the job of a clerk at a bank where his father worked is already waiting for him. Boris falls in love with a female artist, but soon gets involved in another love affair, this time with his female colleague at work.