The rural Taiwanese outer islands of Kinmen sit merely 2 miles off the coast of China. Kinmen attracts tourists for its remains from the 1949 Chinese Civil War. It also marks the frontline for Taiwan in its escalating tension with China.
On the night of their high school graduation, three delinquents decide to exchange their darkest, most unspeakable secret.
According to the biggest dating website's research, teacher is among the top five professions most likely to cheat, and their students' parents are among the people whom they cheat with. Xiao-xiao, who has mild ADHD, is the troublemaker in her class. But she has her own trouble - her mother Wei-fang and her homeroom teacher, Paul, have started a romantic relationship as a result of discussing her ADHD conditions.
