A mysterious disappearance brings tragedy down on the new Orange Roughies Task Force.
The Roughies shake down some modern pirates.
Secrets at the bottom of the ocean lead the Roughies to some poachers.
The Roughies take on a ring of people smugglers and paedophiles - and take a hit themselves.
The Roughies get a win, but at an emotional cost to Jane.
Problems between Jane and Danny erupt when Danny's girlfriend, Chloe, turns up on the run from corrupt police in Melbourne. Jane attempts to help Chloe escape a known hit man but it ends in tragedy.
In a move that will put him offside with the New Zealand Police, Danny breaks ranks with the Roughies to seek vengeance for Jane. The search takes Danny deep into the Melbourne underworld where he not only finds the hitman, but uncovers the truth about Chloe's involvement with the Melbourne drug squad...
Busting a major paua smuggling ring drags Danny and Noel up the coast - but Danny's thirst for revenge is putting the lives of his friends at risk.