" Not for killing those men today. I am not talking about that.” He was serious now. “I know your secret, don’t I? The Baric secret you imprisoned my father for.”
Mauro ran his fingers through his hair. “Ah, yes. That is a problem,” Mauro said calmly. “Can you keep a secret, like your father has all these years? Or will you double-cross me?” Their eyes met. It was a real question that Mauro wanted an answer to. "

― Jillian Bald , The House of Baric Part Two