Detectives Wazowski and Duff meet on their first joint case and join forces despite their completely different personalities and methods.

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.

With an informant's life on the line, Kelly enlists Sam's help in raiding a Stockwood stash house. But can they solve the case when a key piece of the puzzle goes missing?

With a promotion in her sights, Sam recruits Kelly for a high-stakes sting that will get them one step closer to catching the Bowen Brothers. But when Sam's power play takes an unexpected turn, it puts Kelly in unforeseen danger.

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 auto body 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 and 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.