Merry Christmas for Their Last Year of High School.
The school announces that the upcoming Christmas party will be replaced by a make-up class. All students abide by the school's decision, except Class 7B. On Christmas Eve, these students sneak into the classroom and...學校宣佈：中五及中七級的聖誕派對將會取消，改為補課。中五級和７Ａ班學生接受學校安排，７Ｂ班學生則與校方進行談判，校方仍一意孤行。他們未能游說成功，決定一齊起革命！平安夜當晚，７Ｂ班學生套著黑膠袋上衣，爬過圍欄，走入校園，遮蓋閉路電視，然後爬窗入課室......
