偶遇到神祕少年“海”（石橋陽彩配）和“空”（浦上晟周配）的這個炎炎夏天，是琉花（蘆田愛菜配）暑期的正式開始。天真無邪的“海”，看透一切的“空”，海洋館裏發光的魚羣，對琉花來說都像是一場浪漫的約定如期而至。
Liberal politician Gerben Kooistra becomes deputy Mayor of a small village. He is assigned to stay low profile while solving a ‘private problem’. Soon he discovers that the seemingly boring border-village is a hub for drug smugglers, led by hardened criminal Toontje van Wanrooy.
