Just as the Su Family wouldn't take that so-called investment company behind Uncle Seven seriously, so too was his Qihai Investment nothing more than an empty shell. None of the transactions involved were legitimate enough to see the light of day, otherwise, he wouldn't be known as the big boss of the underworld.
But it's best not to provoke such people lightly because they, being despicable, can resort to any extreme measure. At the slightest disagreement, they would take drastic action. Sophie's decision to intervene was driven by her concern for Li Fei. If she didn't consider Li Fei a friend, she could have simply ignored the situation or just paid him off after getting her mother treated, but the situation wasn't so simple now.
