Former Marine Jack Carter has left Afghanistan behind, but after a close encounter with a suicide bomber, he now battles a hidden enemy. Ashamed that he succumbs to heart-stopping panic attacks, he refuses to leave his house and makes excuses for failing to meet up with his best friends. He's got the perfect set up-his job allows him to work from home, he hires out the dog walking and grocery shopping and he has subscribed to a meal delivery service...