Janet agrees to marry in place of her adoptive family’s biological daughter to pay for the maid who raised her. Ethan, an apparently struggling illegitimate son of a wealthy family, marries to honour his mother’s wish. Each conceals important truths, and his resemblance to a powerful tycoon complicates their substitute marriage.
Cordelia Jenner marries in her sister's place, expecting a poor life with a man regarded as a thug. Rumors instead connect her husband to powerful billionaire Mr. Hamerton. His evasive explanations turn questions of identity into an ongoing marital exchange, complicating the assumptions behind their substitute marriage.