The Heroic Life of a Billionaire Security Guard[DUB]

You can't be another business tycoon who is not as wealthy as your father. Father and son, one successful at young age, creating a billion-dollar enterprise with enthusiasm, the other content as a simple security guard. The son ambitiously gambles on new energy, while the father earnestly advises caution. The son doesn't understand why his father doesn't want the luxuries of a mansion and a fancy car, and the father is puzzled by his son's relentless pursuit of money. When the son's business collapses, the father unexpectedly turns the tide and saves the day. The son is shocked: "Are you the richest man?" The father sneers, "I'm your dad!"