Plot synopsis: "16+" centers on a group of four friends – Māra, Mārtiņš, Edgars, and Pauls, who study in the same class. As the new school year begins, two girls – Laura and Amanda – join the class, whose arrival and attitude shake up the seemingly stable friendship. A series of events begins, in which everyone is drawn into it, and it is clear that no one will get out of it easily.