I Was His Guard，Now He's My PrisonerEpisode 4

Four years. Enough time for Henry Smith, heir to the richest family in M City, to fall from grace and become a bar porter. And enough time for David, his former abused bodyguard, to rise from nothing and take control of the underworld. Revenge was David's only obsession. He crafted an elaborate trap of money and emotion, watching Henry sink step by step until he was publicly ruined.