My Poor Ex-wife Is a HeiressEpisode 4

Crystal Brown, the daughter of a billionaire, marries Charles Wade to repay a life-saving debt, hiding her true identity. For three years, she silently helps the Wade family survive financial crises, only to be met with betrayal and humiliation. Disillusioned by Charless indifference, she returns to the Brown family as their powerful heiress. How will those who once insulted her react to the formidable woman shes become? And will Charles regret how he treated his wife?