Following the bludgeoning to death of a nurse, Hooker and co. investigate the case, the latest in a series of similar murders - a string of killings that Hooker investigated years before that has recently began again, in which the attacker sends a rose to the intended victim prior to the attack. With the aid of a disabled veteran detective and a top psychiatrist, Hooker and the team investigate and find evidence that the murderer, always dressed as an old-fashioned nurse, may actually be a man. But the pattern of the killings suggests that they have less than 48 hours to catch the killer before he / she strikes again...

A worker from the Police precinct is attacked and raped, the latest in a series of rapes and robberies where none of the victims are able to identify their attacker. Investigating, Hooker and co. find that all the victims had prior been visited by a telephone repair man, information which enables them to track down the prime suspect, who ends up being killed as the result of pursuit. But Hooker fears that the dead man was actually the attacker's apprentice and not the actual attacker – a fear that is proven when the attacks continue...