My Secret Billionaire Wife

The Johnson family forces Leo Johnson to marry into the rural Sullivan family in his brother's place. The Sullivan family is a hidden multi-billionaire family. Leo wins their favor. The Johnson family humiliates Leo, but Seraphina Sullivan defends her husband, revealing her 'Goddess of Fortune' identity. Their greed leads them to rejection and end up as beggars. Leo develops a miracle drug, founds a trillion-dollar company, and holds a wedding with Seraphina.