The Qin family’s traitor!

Mr. Fang, let me tell you my speculation. " Qin Lang took a deep breath and said.
"You tell me."Frank Fang replied.
"First of all, we can rule out the suspicion of Second Uncle, because he is my cousin's biological father... Even if Second Uncle is really heartless and wants to get the position of the Family Head by any means necessary, he should wait until my cousin officially becomes the Family Head before taking action, not now..." Qin Lang said.
"That's right."Frank...