After Prison, I Married the CEO My Ex Regrets Losing

He spent three brutal years in prison taking the fall for his girlfriend, only to be discarded for a wealthy heir who mocks him and his mother. But prison gave him legendary medical and martial arts skills. After saving a powerful female CEO, he rises through high society and takes command of the underworld. As his jealous ex plots to ruin him with deadly schemes, how far will he go to make everyone who betrayed him pay?