After being separated from his wealthy family for twenty years, ordinary man Arthur is reunited with his biological parents on his wedding day. To test his character and integrity, his wealthy parents disguise themselves as impoverished commoners and put him through harsh trials. His snobbish fiancée Irene, greedy for wealth and status, repeatedly humiliates his disguised family. Raised in humble circumstances, Arthur upholds his pure conscience and resolutely calls off the wedding. He soon meets Sophia, a noble heiress hiding her true identity, and the two enter a flash marriage and powerful alliance. Passing numerous severe tests, Arthur unlocks his trillion-dollar inheritance, strikes back at all snobbish and treacherous people, and joins hands with Sophia to reshape the entire city’s business landscape.