Sumner's embittered daughter Mary Frances pays a surprise visit; Mack learns who controls the Oakman Industries' pension fund; and Harold gets in over his head in the world of high finance, while Olivia's business acumen pays off.

Sumner grieves over Mary Frances by taking solace in a bottle---but the mystery of her death only becomes more complicated; Harold acts drastically when he's unable to pay a debt; Val's desperate act surprises Karen.

Someone is waging war on the Sumner Group, but Mack's chief concern is Paige's safety; Danny means to end Gary's interference; Eric returns to make amends.