Blue Line of DefenseBlue Line of Defense2020Queuebrick VideoQueueLWatchedWFavoriteFListsDiscussionWhere to watchCopy short link2020Blue Line of DefenseDirectorZhou DexinDirectorShang ChangyiDirectorLiu XinOverviewDiscussionPopularNew0 takes · 0 hearts · 0 repliesWrite a ReviewNothing on the record yet. The first take opens the floor.