Having discovered that her most valuable ally has turned against her, Emily desperately reaches out to her mentor for advice. Victoria's worst nightmare comes true when she finds herself totally alone both in her life and her home, while the threat of Tyler's negative influence continues to grow.

Emily questions Nolan's loyalty when she discovers a secret of his. Meanwhile, Amanda makes herself more comfortable in the Hamptons as word of her presence spreads. Victoria regains some power, and things get very ugly between her and Conrad.

Emily's vendetta takes a dark turn at her and Daniel's engagement party, putting everyone in mortal danger; Jack decides to track down Amanda; Charlotte goes to extremes to relieve the pain of her family's betrayal.

The murder scandal at the Fire & Ice party rocks the Hamptons, and someone has to take the fall. The devastating turn of events call for desperate measures, as the Graysons form a united front, Emily grows more anxious, Ashley steps up for the family, and Jack is not the only one wondering where Amanda has gone.