Tracking the source of a new MDMA brings Sam and Kelly into the unlikely world of flower deliveries, as they narrow in on a new Stockwood player.

Sam calls on Kelly’s undercover skills when she gets a lead on a gun-dealing dollar store. But when Kelly’s cover is blown, Sam’s forced to get out of her comfort…

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…

Trouble follows Elliot and Jackie, wreaking havoc on Sam and Kelly’s search for who shot a police officer.

Sam and Kelly take their partnership to new heights when they go under cover as flight attendants to infiltrate a Central American gang’s drug route.