She Mocked My Ruin, I Found a Billion

In 1950s New York, a man spends his wedding savings on a derelict Victorian mansion, scorned by all. After his fiancée leaves and family disowns him, renovation reveals hundreds of Civil War gold bars in the walls. He launders the treasure through underground dealers, then conquers Wall Street and Silicon Valley venture capital, rising from ruined outcast to legendary tycoon.