Laura and Ryan, a prominent engaged couple, are having the wedding of the year in 1920 in New Orleans. Suddenly, Laura receives a strange letter warning her that she is about to make the biggest mistake of her life by marrying Ryan. She decides to travel to Cajun country and learns she and Ryan are really sister and brother given away by their imprisoned mother. When Laura exposes the family secret, she finds out that both sets of their adoptive parents and even Mammy, her nanny, had been covering it up for years. From the mysterious Cajun man who steps back into Laura's life from her...