The Final episode of the year for the Melbourne-based cop drama finds undercover operative Church caltivating a new informant. And this man's information is amazingly good. While the future of the undercover operation is under threat, Chruch has serveral meetings with his informant, Dingo. Finally, he extracts details with will enable the Singers group to bust a big-time drug ring. But there's a twist in the tale which makes this one of the most satisfying episodes of the series this year.