C23 Sister-in-law Was Furious

Could it be that this woman was Moh Zhaotian's original wife? Then she must have found out about her relationship with Moh Zhaotian. But she had clearly asked around and found out that Moh Zhaotian didn't have an original wife. Could it be that she was the only daughter of the old CEO of Hongyang Group? Moh Zhaotian's sister-in-law