Jason Tremblay

Karl and the police force investigate the murder of a man found dead at the bottom of his staircase. During their investigation, Karl’s team discovers an item at the scene of the crime that may be linked to other murders. Karl warns Cassandra to stay out of the case, but her connection to it makes her unable to stop.

Bex and the team track the brilliant and beguiling Jenna Wells, the notorious Killer Chemist whose therapy in the Pit has made her even more dangerous and deranged.