Seven years ago, Shirley Sue saved Zane Chester, later giving birth to Leo. Now bankrupt and desperate to cover Leo's medical bills, Shirley agrees to marry into the Sawyers. Her former maid Simone Shea returns from abroad and is chosen by the Chester patriarch to marry Zane. To outshine Shirley on their shared wedding day, Simone insists they marry simultaneously—but a twist of fate leads Shirley to accidentally marry Zane instead! Could a mistaken marriage turn into a destined love?
