Hidden secrets cause tension when two estranged sisters are forced to confront each other while preparing for their ailing mother's death. Hidden secrets cause tension when two estranged sisters are forced to confront each other while preparing for their ailing mother's death. Hidden secrets cause tension when two estranged sisters are forced to confront each other while preparing for their ailing mother's death. Hidden secrets cause tension when two estranged sisters are forced to confront each other while preparing for their ailing mother's death.