Taking advantage of the young actors 'summer vacation in July, Tropical Fish director Chen Yu-hsun took the main male character, a boy with a propensity to daydream, to the town of Tungshih in Chiayi County to shoot a farcical comedy about kidnappers involved in a "national joint entrance exam plot."
七月趁著片中小演員放暑假，《熱帶魚》導演陳玉勳帶著喜歡做白日夢的小男主角到嘉義縣東石，展開一場綁匪捲入「聯考情結」的荒謬喜劇。