The secret billionaire who got tongues wagging

Lucas Arnold is deemed as the unserious and useless son of the family. he portrays himself as stupid, weak and trouble maker but he is the secret billionaire every big shot CEO wants to have a business dinner with. His name is on the Forbes list and his other identities are yet to be revealed. what happens when the scheming stepmom and brother finds out that he is not just the their. useless stepson and stepbrother but he is the big shot they have been wanting to have a business deal with? He also happens to be a genius in most areas. What will be their expression when he reveals his identities to them one after the other?