An unwelcome and unstable visitor makes a nightmare of Daniel's intimate birthday celebration with family and friends; Charlotte becomes a pawn in Conrad and Victoria's bitter divorce battle, and Emily watches her ultimate plan begin to unravel.

Daniel plans a romantic proposal that may carry dire, long-term ramifications, and Charlotte is devastated when she's forced to move back home with her mother. Meanwhile, Jack's life is put in jeopardy when he's betrayed by someone he adores, and Nolan forces Emily to think twice about her actions.