Aka：逃学威龙2 / 도학위룡 2: 첩혈위룡 / Trường Học Uy Long II / Fight back to school 2 / 逃學威龍2 / To Hok Wai Lung 2 / 逃學威龍 2 / คนเล็กนักเรียนโต 2 / Fight Back to School II
Summary：Sing quits the force after getting demoted to traffic duties, while his partner is assigned a mission involving foreign terrorists threatening to bomb a school in Hong Kong, so Sing decides to help by going undercover at the same school.
