A series of dangerous events has been set in motion and it all comes to a head in one catastrophic moment that will change everyone's lives forever.
Aiden struggles with Emily and Daniel's engagement; Jack makes a discovery; Victoria's big reveal impacts Conrad's campaign.
Emily, Aiden and Nolan work to uncover the Falcon's true identity and stop the Initiative; Emily struggles with her future; Victoria deals with issues after a revealing interview.
Hamptonites celebrate Halloween with a glamorous masquerade ball hosted by the Graysons, which is a perfect setting for Emily to drag out Victoria's skeletons. Meanwhile, Jack steps up his revenge plan and finds an unexpected ally, and Aiden makes a bold move with a gruesome conclusion.
moreless
As Victoria asks Amanda's foster brother for help with her charitable foundation, Emily seizes an opportunity to settle a score with someone from her past.
Following the devastation on The Amanda, Emily's commitment to seeking vengeance is renewed; everyone in the Hamptons mourns a loss.
It's time for the annual Grayson Labor Day party and the family does their best to put on a show, while Jack and Amanda sail off on their honeymoon which could prove to be deadly.
moreless
As Conrad's scheme with the Ryan brothers hits a snag, Daniel finds life at Grayson Global getting more complicated. Also, emotions are running deep for Emily in the wake of Aidan's abandonment, as well as Jack and Amanda's wedding ceremony. Meanwhile, Victoria makes a shocking move after being pushed to her limit.
moreless
Emily stands by Daniel as he faces his fiercest business rival; Aiden takes a dark turn and, Conrad Grayson winds up in control of Amanda's future.
Emily and Aiden execute their next attack at a fundraiser and wine auction meanwhile, Victoria plans her next move and, Jack, Declan and Amanda worry about the future.
Victoria starts planning a scheme that includes Emily, while Emily locks in on a new target, and Declan learns something that may threaten the Stowaway's future.
In the mid-Season finale Nolan deals with a skeleton from his past while, Daniel's role is challenged, and Carl's christening reveals new concerns for Jack and Declan.
In this flashback episode, which takes place mostly in 2006, a visit from Victoria's mother sheds some light on how Victoria became the woman she is today. Also, Emily begins her first mission under Takeda's instruction and meets Aiden. Elsewhere, Nolan's company goes public, Jack's father crosses paths with an unfortunate crowd, and information is revealed about Ashley's past.
moreless
Mason Treadwell discovers a lot of secrets from Emily's past, forcing her to take drastic action.Meanwhile,an emotionally unstable Kara makes plans to leave the Hamptons until she uncovers some truths about the Graysons, placing them directly in her line of fire.Also, Nolan must make a huge sacrifice to protect Emily from being exposed.
moreless
Conrad and Victoria choose to take on the press by planning an elaborate ceremony to renew their wedding vows, but the event ends badly, placing Conrad in an undesirable position with Americon Initiative. Meanwhile, Nolan's company is in jeopardy, and Padma's potential involvement remains unclear. Also, Emily coaches Amanda on how to handle Mason's increasing questions, but he continues to dig for the information he really wants.
moreless
The Graysons are shaken by the arrival ofKara Wallace Clarke,whom theyinvite her to stay in their home. As Kara spends time with a recovering Amanda and baby Carl, whom she believes to be her daughter and grandson, Emily must come to terms with the painful decisions that her parents made so many years ago. Also, a familiar face returns to the Hamptons, eager to uncover certain secrets. Jack finds himself with more responsibilities than ever, and Charlotte starts spending time with Declan again.
moreless
Amanda learns that playing with the Graysons is dangerous; Emily and Aiden are each caught off-guard; Daniel takes matters into his own hands.
The Graysons return to the spotlight and the center of a media storm; Emily's past continues to haunt her.
Things get complicated as Emily continues to delicately weave her way back into the Graysons' lives, while remaining tied to Amanda and her unborn child.