Doyle, recuperating from knee surgery, rushes back to the mountains of California in a desperate search for proof that Colonel Miller survived the brutal onslaught.

Now a full member of the Patriots group, Doyle hopes to find answers to many of the mysteries he has encountered

After retiring to North Carolina, ex-Army Ranger Doyle joins a search for a missing boy in the Smoky Mountains—where the horrors of war resurface in unexpected ways.