She's my best friend's sister. Off-limits.Before he died, I promised I'd never touch her.After years in the military, I'm back in Montana determined to clear his name.No one's hero. Just a mountain man. A mercenary set on revenge.Now, I owe it to my friend to protect his sister.Except being near her shreds my resolve. She tempts me at every turn.Each day is a brutal torment, and my honor and willpower...are about to snap. Welcome to Alpha...