Three years ago, Queenie Davidson had a one-night stand with Hackett Griffin, mistaking him for a male model. However, Hackett mistook her for someone else. Hackett, who suffers from a strange disease that causes him to be allergic to women, believed the other woman was special. Three years later, Queenie returns home and is forced into an arranged engagement with Hackett, whom she has never met. On their engagement day, they both run away but accidentally meet elsewhere. Without knowing each other's true identities, they agree to a flash marriage to avoid their arranged marriage, kicking off a hilarious love story of first marriage then love.