In the Dead of Night - S0.E1

The series one climax saw DCI Tom Mathias pushed to the edge - with a local woman's death on his conscience and blood on his hands, his future hung in the balance. His career should have been left in tatters, but Prosser has other ideas. An arson attack on an isolated farmhouse has left a mother and child fighting for their lives. Drawn into a community of failing farms, festering resentments and long standing feuds, what is it about the case that draws Mathias in, pulling him back from the brink?