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.

The doyen of national theater, Dado Telebuh, goes through psychological crisis after being dumped by his lover Ivan Starcevic, who got involved in a romantic relationship with Jurica Pavicic. Alone in his apartment, Dado tries to find comfort in all-night telephone conversations via SOS service, who provide him with psychological support in the form of nun called Sanja Separovic. For his characters, much disputed Croatian director Jakov Sedlar used real names of the film critics and public figures who disdained his cinematic work.

Diana McGowin is a successful middle-aged legal secretary. Upon her realization that she is in the early stages of Alzheimer's disease, Diana courageously attempts to hide her affliction from her husband, Jack, and her children, but it isn't long before the truth becomes painfully obvious.