Set in the wealthy neighbourhood of Bishopscourt, Cape Town, investigative journalist Edie Hansen gets caught up in the ugly underbelly that lies beneath the picturesque beauty of the city, dragging her back to a turbulent past.

When Cape Town housewife discovers evidence her husband is having an affair with a stripper, her investigation takes her to a world poles apart from the suburban utopia she knows.

Based on Deon Meyer's 2004 best-selling novel of the same name - centres on Detective Benny Grissel, tasked with tracking down a righteous vigilante killer whose crimes capture the city's imagination.

The unit specializes in the investigation of serial murders and is led by Van der Bijl, a former murder and robbery detective who gained fame for his handling of several high-profile cases. Each episode focuses on a serial killer. The main character, Colonel Piet van der Bijl, also known as Die Byl, is loosely modeled on the famous ex-detective Piet Byleveld.