1986年春天，切尔诺贝利发生爆炸，一个名叫咪咪的女孩来到了芬兰西部的一个小村庄。她立即让 15 岁的玛丽亚的生活充满了辐射的光芒。20年后，玛丽亚回到家中照顾生病的母亲，那个有意义的夏天的记忆开始浮出水面。

Risto is ten years old and a drummer. He lives with his Aunt Serena – who becomes the source of Risto's problems. She writes a love letter to the bachelor who lives above them. But then Nelly, the new girl in the house, gets hold of the le…

Frida is different. Self chosen different. Marius, on the other hand is the most perfect boy in class, and likes to show off. When they have to work together at school, it's the start of a turbulent and challenging relationship. Generation Achievement meets impossible love.