A Stoic expression

Lewis Elwyn is a private investigator at a very high end agency. A young man around the age of 22-23 named North was found under a bridge covered with various wounds. When taken to the hospital, they tried to contact his relatives but found no evidence of them nor parents. After Lewis is assigned this case by his boss Mr. Norwood he is forces to take care of and tend to this "unemotional" boy, 24/7.