Following the death of her sister Nikki, whom she hadn't seen since they were little, Carly is shocked to discover that she has become the guardian of her sister's adopted daughter, Mallie.Following the death of her sister Nikki, whom she hadn't seen since they were little, Carly is shocked to discover that she has become the guardian of her sister's adopted daughter, Mallie.Following the death of her sister Nikki, whom she hadn't seen since they were little, Carly is shocked to discover that she has become the guardian of her sister's adopted daughter, Mallie.