After a failed drug bust, Sam and Kelly discover they're after the same dealer, forcing them to team up to take down a major 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 zone to expose the supplier.
Sam helps Kelly raid a Stockwood stash house, but a key piece of the puzzle goes missing.
Sam gets Kelly's help for a high-stakes sting to get them closer to catching the Bowen Brothers, but Kelly is put in danger when Sam's power play takes an unexpected turn.
Kelly enlists Elliot's help to investigate an MDMA dealer in his school. Meanwhile, when Sam's investigation into a father's missing guns takes a turn, she's surprised by who gets caught in the crossfire...
When a cooler full of guns puts Sam and Kelly on the trail of 77 more black-market firearms, the pair find themselves in a life or "death-trap" situation.
With Sam's promotion on the line, Sam and Kelly stake out an autobody shop, hoping to reel in Stockwood's last big fish, Randy Bowen.
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.
In the aftermath of their shocking discovery, Sam & Kelly embark on a border-crossing mission to take down the new Stockwood boss.
Sam and Kelly are forced to team up with the enemy in order to take down an even bigger threat. When their undercover sting takes a dangerous turn, Sam and Kelly must give their best performances yet in order to escape with their lives.