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。。Kei, a transgender man, longs for a quiet, "normal" life in rural Japan, but his partner prefers the freedom and openness of life in Tokyo. Their opposing wishes and identities are revealed in the heat of the local hot springs, a place Kei loved as a child.。