Detention 2019 In 1962 Taiwan during the White Terror martial law period, Fang Ray Shin, a female student at the hillside Greenwood High School is attending counselling with teacher Mr Chang, and they gradually fall in love It was a dangerous period where sensitive books were banned and free speech were restricted, but Mr Chang secretly organised a study group for banned books, together with fellow teacher Miss Yin and male student Wei Chong Ting