Delta team Josh and Blue track a man who is clearly up to no good. Meanwhile, Customs drug detector team Teagan and Willow find a serious misdeclaration of misinformation.

Delta team Regan and Taylor find a written off car and its driver, while Customs drug dog detector team Jo and Rani make a big reveal in a box of smalls.

In Rotorua, it's a midnight marathon - six car thieves versus Delta dog team Luke and Skudder. Plus, Rob and Koda find a potential biosecurity nightmare.