Watch My Brother's Keeper Full Movie Free Online 123Movies. Returning war veteran SFC Travis Fox has one more battle to fight – PTSD. Following an improvised explosive device attack that killed his best friend and their entire Ranger platoon, Travis returns to his hometown to settle the mysterious affairs of his late parents. In searching for answers, he uncovers a new obstacle and finds support from church counselor Tiffany Robertson. Slowly beginning to rediscover his faith in God, Travis uncovers a secret hidden by his friend Donnie that threatens his newfound faith, restores his guilt, and causes him to consider the unthinkable.