A Calculated Alliance
Cordelia asked, "Killian's real father is Vance, right?"
Killian was the only son of the Thorne family, the richest family in Oakhaven. He never talked about it. It wasn't that he tried to hide his identity; he just didn't want to accept it. He wanted to run away from being a billionaire's son.
Cordelia figured it out when Killian confessed he wasn't Kael. But Cordelia didn't ask. She knew Killian