Lydia returns to the Hamptons determined to carry out her vendetta against Emily and the Graysons. Meanwhile, Victoria suffers lingering guilt over her involvement in David Clarke's imprisonment and death.
The Graysons' plans for a low-key 25th wedding anniversary are scuppered when a high-profile story appears in the news, and there are unexpected guests at an eventful family dinner.
Emily questions Nolan's loyalty when she discovers the video of him with Tyler, but eventually she decides to use the information to her advantage.
Victoria stoops to a new low in her efforts to end Daniel's imprisonment, while the unexpected return of her old flame Dominik Wright provides an alluring but dangerous distraction from her family's turmoil.
Emily goes on the offensive against Frank, the Graysons' head of security, but he won't be defeated easily.