He built an empire in secret. She left him for it.

Step Aside, I'm the King of Capital

Cassius Adams, who secretly built a financial empire ("Enros Group") under the alias "Mr. S," returns home only to be dumped by his girlfriend, Isabella, who wants to marry the wealthy "Mr. S" (unaware it is actually him). Cassius ends up accidentally marrying Freya Sterling, the CEO of Mirror Media.