And the doomsday book says a virgin ghost has no rihgt for re - incarnation until he deflowers a virgin human . so david assumes the human shape and goes after yen . yen s boy friend however finds out and goes after yen David为一青头仔，死后需找一处女自愿破身，方可以轮回，选中高的女友，遂向娴展开追求，娴不知david是鬼，渐生好感，高却发现david为鬼，告知娴，娴不信， david大功将告成，幸高与班损友找到david弱点
