Desc: To hok ying hung zyun: Directed by Jing Wong. With Alfred Cheung, Sharla Cheung, Chingmy Yau, Aaron Kwok. Undercover cop, Kin, infiltrates a Hong Kong school to root out an underworld presence. Things get tricky when he falls for a charming teacher, adding a romantic twist to the fight against organized crime within the school's vibrant walls.