Nelson Ngai Tak-Lai

Brothers growing up together in the Sau Mau Ping ghetto finsd themselves involved in a web of revenge, misunderstandings, and betrayal when one of them becomes the witness to a drug deal.

Gay has been arrested for possessing drugs and is sent to prison. When Mrs. Lung visits him, she realizes that a demon is following him around, and sends Yan into the prison to help Gay. With the help of the warden, they discover the demon is a vengeful ghost of a woman whose husband was wrongfully imprisoned there, and committed suicide. All she wants to see is his grave, which should be behind the prison. But when they can't find his burial site, she unleashes her pure wrath, and no one is immune from her rage.

Anthony Wong and Jan Lamb are unenthusiastic teachers till new colleague Cathy Tsui rekindles their interest in school and life.

The story follows Hunter and Yat, two new hot shot recruits, who under the watchful eye of their commanding officer, Yuk Pai, rise quickly through the ranks, enduring much mental and physical hardship along the way. Their new found skills are put to the test when renegade SDU member returns from seclusion in Thailand to wreak havoc on Hong Kong and the SDU's most secret missions.