Kelly goes to Guelph on her own in search of the chemist behind purple rain, as Sam's health issues have her trailing behind; Sam finds Kelly trapped in an explosive situation.
Kelly and Sam pursue different leads to exonerate an innocent teen accused of shooting their colleague; both investigations wind up informing the Coyote case in an unexpected way.
When Elliot and Jackie return from a road trip across the border, trouble follows them, wreaking havoc on Sam and Kelly's search for who shot a police officer.
Sam and Kelly investigate the origin of a 3D gun used to shoot a police officer. As a last resort, they team up with Kelly's ex-boyfriend to get ahead of their lead suspect.
Scrambling to get back on the job, Sam and Kelly's mission to find the real corrupt cop becomes personal when Sam's career is put on the line and Kelly's reputation is at stake.
A surge in gun violence in a community undergoing gentrification brings Sam and Kelly to a Caribana mas camp. Tensions rise when a shooting leaves them searching for those responsible.
The OCE team works together to exonerate Naz and stop purple rain. Kelly and Nathan go undercover, Sam talks to an old friend, and Naz scrambles to remember a detail that can help arrest a killer.
Sam and Kelly set up an elaborate fake informant operation to uncover incriminating evidence in the purple rain case but the play is derailed when Naz becomes the prime suspect in a murder.
In pursuit of Adeline French, Sam and Kelly find themselves at the doorstep of a fraudulent psychic, who opens their eyes to mysteries they need to solve within their own lives.