The beginning of the fourth season takes us to April 1985 with the final match of the European Basketball Champions Cup as the main element, which Cibona Zagreb won. Zac is in the army, Kipo and Marina are returning from Switzerland, Jagoda is trying to advertise her boutique, and Una and Zungol's photography skills will help her in this.

Marina's parents are coming to Zagreb to meet Kipo's family. Una has tough time finding proper acting job. While in army, Zac meets a girl.

Very hot summer in Zagreb. Jagoda is being pestered by inspections. Kipo tries to be more spontaneous. Zac is only few days away from being released from army.

A soldier in Zac's quarters ends up in jail. Marina has big news. Kipo goes to Split for festival. Zungul keeps chasing after Bjanka. Jagoda succumbs to inspector's passive aggression.

Zac's high school friends are being released one by one and they party every day. He meets a cute girl working with Nenad, and has unexpected encounter on the train station. Zungul's father tries to sort issues with wife. Zungul is still obsessing over Bjanka. Marina has heavy mood swings.

Marina's father and uncle are coming to Zagreb to help them redecorate the apartment for the birth of the baby. Suzi is hitting on Zac, which makes Nenad very unpleased. Una moves to Belgrade with Zile, to look for more acting opportunities. Jagoda has been denied from a competition.

Works in Kipo's and Marina's apartment have been lasting for weeks. Kipo and Zungul, separately, have work in Belgrade. Ksenija is going through a change, just unsure through which one. Nenad wants to sort out things with Zac, but on his birthday gets burnt again. Zungul is not sure if he is happy with how things are going with Bjanka. Una is still not pleased with progress of her career. She meets her biological father. Jura gets on board with organization of Univerzijada Zagreb 1987.

Kipo got permanent job in 101 radio station. Dunja told Zungul to leave her apartment. Suzi keeps making problems, for everything is fun for her. Una is still searching her place under the sun.

Zac and his friends got themselves in a mess. Jagoda went to Belgrade and is meeting Radan. Zile has been institutionalized due to alcohol abuse. Bjanka broke up with football player.

Zungul appears to be in trouble because of his photograph. Una gets a role in "War and Remembrance" and Jagoda is asked for a favor. Zac is uncertain about his major and explores other possibilities.

A humorous report on Radio 101 is interrupted by a listener with a nationalistic provocation, so Kipo and the team from the radio have to be scrubbed by the party leaders, while at the same time Marina begins labor. Zungul visits his parents, and there he receives an unexpected visit of Bianca's father.

The theme of the last episode is hysteria and fear after the accident at the nuclear power plant in Chernobyl. In all this comical confusion, Marina has to give birth, Jura tries to reason Zac about his will to change university and Zungul is in Split to convince Bjanka's father that he is the right person for her daughter. Everything culminates in a truly nostalgic final scene.