Deliveryman Lucas Lawson is invited to inherit The Lawson Conglomerate but refuses. The butler suggests he marry Rhea Drake, 'she-devil' of the rival Drake Syndicate, to intimidate elders. Lucas believes Rhea is a 'tank,' while Rhea is unwilling to marry 'loser' Lucas and wants to annex the conglomerate. Rhea mistakes Lucas for a nobody. On their wedding night, they try to drug each other, and are shocked to see one another.