Free-wheeling irresponsible Maggie gets through her life thanks to her remarkable looks and her complete lack of scruples. She constantly goes to her straight-laced, plain-Jane successful lawyer sister Rose when she is in need of financial help. The two sisters have been very close to each other in part because their troubled mother died when they were girls. Maggie discovers hidden letters that reveal she and Rose have a grandmother, but Maggie ends up betraying Rose's trust. Maggie sets off for Florida to find the grandmother. A failed workplace romance forces Rose to rethink her career, a career that has been the center of her life. As Rose tentatively begins a new relationship and Maggie gets to know her grandmother, the two learn a dark family secret that helps smooth the path toward reconciliation.