Nikki and Harry realise that the source of the faked medication is a wholesaler who is watering down the drugs to increase his profit.…

Nikki is convinced that there is a connection between a suicide and the public frenzy of a paranoid schizophrenic that leaves two dead.…

Nikki and Leo follow the trail of the philosophical serial killer; Nikki's beliefs are put to the test; Harry uncovers the truth about the drowning victim.…