The story takes place in the Belgrade mental hospital on Guberevac during the WWI, where notable Serbian writer Petar Kočić spends his last years of life. The safety of mental hospital in a war-torn Belgrade is disrupted when the deputy military governor in occupied Belgrade, Kosta Herman, finds out that Kočić is in the hospital and decides to settle old scores with him.

Blue Train is Serbian atipic teenage comedy. Just before Tito's death a high school graduates in Belgrade live their normal life before the end of the school year. Spring is relaxed and they organize the election "Princess Of Spring" for the most beautiful girl in school. Vojislav is in love with Anica, friend from class. While his best friend, convinces him that the organization of the miss elections is the best way to win Anica's heart. Milena has crush in Vojislav, and she want to spoil his plan. After the death of professor of Marxism, in the school comes a new, very young and ambitious professor Božičković, a former pupil of the school. His charm and informal dress manages to win the sympathy of students, especially girls. Professor Božičković like Anica, and he shows that in front of the class. Anica and Vojislav do not appritiate that.

A woman is in front of a tribunal and pleads about her case, but her assigned defendant lawyer hasn't showed up. She is also hiccupping since her husband died in a war. The trial gets more absurd as new characters come into play.