6/8. When Cassie immerses herself in a undercover assignment, threats both known and unexpected haunt her every living breath. Rob desperately hunts down one last lead. [S,AD]
2/8. Despite Rob's promise to Cassie that they won't investigate Operation Vestal, they make a dark bargain to keep the secret and carry on working on the cases. [S,AD]
1/8. In the summer of 2006 detectives Rob Reilly and Cassie Maddox are sent to investigate a child's murder. They find a community caught between the old Ireland and the new. [S,AD]