Witty and resourceful fourteen-year-old Koko solves yet another mystery - aided by his friends. One of them, Tomo, has recently moved to the city and longs for adventure. The boys notice that their new classmate acts curiously. Step by step, joined by their classmate Marijana, they unveil the boy's dark secret.
Antonio Parač
Koko
Karlo Maloča
Tomo
Vanja Markovinović
Marijana
Toma Budanko
Mirko
Kristian Bonačić
Zlatko
Nina Mileta
Marica
Filip Ružić
Marko Lukarić
Ozren Grabarić
Koko's father
