When a school-mate of Hooker's daughter is found dead, after being pumped full of drugs and pushed off a roof after threatening to expose a drug runner's racket, Hooker realises that it could just as easily have been his daughter, and is determined to nab the culprits...

After a security guard is shot down when trying to stop a diamond vault robbery, the investigating detective is determined to prove that the guard had taken a bribe from the robbers and wants to nail him for aiding the thieves. The guard is an old friend of Hooker's who knows that his friend wouldn't have been involved. As he and Romano investigate to find out the true circumstances it seems as if the detective is willing to go to any lengths, including blackmail, to see that he is covered in glory for his busts and quickly fly through the ranks...