Meet Homicide cop, Jo Best. She's smart, striking and being stalked. Solving murders is tricky but staying alive trickier. Back from France, Jo suffers heartache. Her love life's a mess and a family tragedy hits hard. When a cocaine war in Venezuela brings multiple murders to Melbourne, there are stiffs to sort. The cops are winning when all hell breaks loose. A shocking and brutal attack rocks the Homicide Squad because the victim is one of their own. But worse, so too is the suspect--Detective Senior Constable Joanna Best. No way. Surely not. Yet the evidence is overwhelming and it seems the brilliant detective has gone from top cop to top cop killer. Is this the tragic end to a once glorious career?