Unlikely Protectors

Alice, Valkyrie Cain's six-year old sister is being threatened in an attempt to get to Valkyrie. But with a massive case keeping her and Skulduggery busy, Valkyrie needs someone to protect her. So she hires Dusk's daughter and Sanguine's son to keep Alice safe until the threat is gone. Problem is Dusk's daughter doesn't like children and has no idea how to take care of her.