Did Fiona Fang finally betray Besty?

In the novel "Loneliness at the End of a Sea of People", he was betrayed by cheating and colluding with the general manager Zhou. Through the transaction with General Manager Zhou, I gained wealth and comfortable living conditions, but it was finally discovered and exposed the true identity of General Manager Zhou. This led to the divorce of Besty and Fiona Fang, and Besty's hatred for Fiona Fang gradually faded, but the relationship between them has been destroyed by betrayal.