Of the thirty inhabitants of Arki, an island in the Greek Dodecanese, Kristos is the last remaining child and the only student in the small primary school.

To finish school, he has to leave Arki and move to a larger island. However, his family cannot afford it and his father wants him to become a shepherd. The child's teacher, Maria, cannot accept this situation and is determined to find a solution so that he can continue his studies. Will Kristos stay on the island or leave Arki to continue his education?