In the movie 14 That Night, Takashi and his friends decide to attend the autograph session of porn actress Kyoko Yokushimaru, not really knowing what to expect. Along the way, they encounter various obstacles and challenges, including dealing with the local gangsters and trying to impress the girls in their class. As they navigate through these challenges, Takashi begins to realize the importance of family, friendship, and standing up for what is right.
During the autograph session, Takashi is surprised to see his father in line, eagerly waiting to meet Kyoko Yokushimaru. This unexpected encounter leads to a heartwarming moment between father and son, as they bond over their shared admiration for the actress. Takashi also gets the chance to interact with Megumi, the girl next door whom he has a crush on, and learns more about her as a person beyond her physical appearance.
As the day progresses, Takashi and his friends find themselves in increasingly funny and absurd situations, testing their friendship and determination. Through their adventures, they come to understand the complexities of growing up and the importance of cherishing the innocence and spontaneity of youth.
Overall, 14 That Night is a coming-of-age story that explores themes of friendship, family, and self-discovery in a humorous and heartfelt way. It captures the awkwardness and excitement of adolescence while also providing moments of nostalgia and reflection on the passage of time.