The murder of a dancer who has had a lock of her hair cut off signifies to Hooker that a serial killer he pursed eight years previously is back in operation. Hooker is concerned for the only victim to survive one of the previous attacks - a dance teacher with whom he nearly fell in love - and sets about protecting her, believing that the killer will go after her again to try and finish the job...

The latest in a series of armed robberies on super-markets leaves a young cashier possibly paralysed when the thieves take her hostage and then push her from their speeding car to slow up the pursuing cops. The cars used by the robbers are specially modified "hill racers", leading to the local hill racing champion, an old friend of Hooker's, being wrongly arrested as the prime suspect. Hooker must prove his innocence by speeding after the real culprits...