Fight Back to School 2

After being demoted to traffic duties, Officer Sing becomes frustrated and disillusioned with his position in the police force. Meanwhile, his partner is assigned to investigate a group of foreign terrorists planning to bomb a Hong Kong school. Refusing to stay on the sidelines, Sing secretly goes undercover at the same school to stop the threat and prove he is still capable of heroic work. AKA To hok wai lung 2.