Black Grey White (The Blackwell series)

Colonel Blackwell is begrudgingly in charge of an Outpost that's been forgotten and nearly abandoned by the military leaders, a promotion that's a punishment. When an enemy Soldier is brought to him he knows what he should do, but this man is the only witness to an event from his past. One that started his slow spiral and got him there in the first place. Determined to get answers, they begin the process of testing each other and their commitment to Duty.
Slowly, the mysteries will unravel, secrets will be spilt and lines will be crossed.

Where does cooperation become a friendship? Where does the truth blur into madness?
When does a man become a monster, and if one of them can be loved and forgiven, can the other seek it too?