To reminisce about the old-school life, Ho Tsz Fung (starring TSAO Yu Ning) and his university classmates go back to his high school together. Over the years, there are a lot of mysterious rumours spreading among the students, due to the occupation by Japanese army as a military laboratory during the World War II.Principal of the college Mr. Law (starring YUEN Cheung Yan) and the trainee teacher, Miss Fong (starring Esther HUANG) show them around the campus and some specific historical traces. When passing the school museum, they're extremely excited when checking out the archives of Japanese army. They find a former student's diary among the archive journals, which recorded lots of supernatural events in the past, even included a mysterious disappearance of a girl. What on earth was hidden behind those cases? Will these 5 visitors have the same experience soon?
