John Sugar is an alien. In Season 2, a boxer on the rise named Danny Moon (Jin Ha) hires Sugar to find his missing, wayward brother, Ji-Seok (Raymond Lee). In Season 1, Sugar was hard-edged and assertive; the kind of private investigator who leads with intimidation and meets aggression with equal aggression. While Sugar tries to define who he is, “Sugar” already knows what it is. John Sugar is an alien.