True or False Marriage?

Qin Wanruo, the daughter of the richest family, and the wife of the CEO of Mingtian Group, is publicly humiliated as a mistress at a charity dinner for an elite kindergarten. All of this stems from a marriage certificate that is nearly impossible to authenticate. As pieces of evidence are laid out one by one, the question arises: who is the true CEO's wife? Who really is Gu Mingcheng, the CEO of Mingtian Group?