Two stolen utes, fleeing youths and two Delta units in hot pursuit. Biosecurity Estelle and Pippa have a disgusting mystery on their hands. DOC's Scott and Milly head to an island paradise.

It's a wet and wild night for Delta Team Jordan and Manaia. Pippa finds a Biosecurity hazard stinking out the mail centre. DOC is searching for stoats in every nook and cranny on Waiheke Island.