Young Koko has just moved with his parents from his idyllic countryside home to a big city. There, with the help of his new friends and a neighbour he investigates the mysterious case of a dead old man who used to live in the flat he has just moved into. Koko and the Ghosts is a family film based on a popular Croatian series of young-adult novels written by Ivan Kušan.

It seems that football is still the most important thing in Koko's life and the upcoming encounter between the infamous “Pirates” and Koko's team “Green Hill” the central event of the season. Zlatko is still spending every second reading books and scolding Koko for being immature. To prove him wrong, Koko tells him that he is unhappily in love with Ana, a mysterious girl as magical as the heroines from Zlatko’s novels. Koko’s mischievous sister Marica, secretive friend Ema and insolent Melita have their own band – Koko’s team will go to a concert, as will the girls go to their football games. We will find out whether the boys are really that interested in music and the girls in football in Love or Death - the new film from the Koko serial.

In a dystopian future, Matja and his family face an unresolved tragedy. Despite losing his faith and struggling to find his true self, the dawn breaks over the valley, revealing that the only way to deal with trauma and evil is to face them head-on.