In the spring of 1986, Eastern Europe changed forever with the explosion of Chernobyl. And in the Finnish film "Light Light Light" ("Valoa Valoa Valoa"), so does the life of fifteen-year-old girl ...
A girl, Mimi, arrives a small village in western Finland and immediately fills 15-year-old Mariia's life with light. 20 years later, Mariia returns home to take care of her sick mother, and memories ...