Adeline is a sociopath with serious family problems. She is the daughter of a troubled narcissist with manipulative tendencies and a woman he murdered when the girl was 4 years old. His father, Martins Watson, was a hitman with alcoholic addictions. He ended up unable to kill and put her in his place, forcing his own daughter to get her hands dirty while he profited and manipulated her.

She has icy blue eyes, skin as pale as snow, and hair as dark as coal.