Luis frantically looks for Sheridan in the crowd at the Seascape party. He's stunned when he finds her kissing Warren, her old friend. Phoebe, an older socialite, pulls a surprised Luis into a kiss, which Sheridan unhappily witnesses. The hitman's ears perk up as a hurt Sheridan coolly tells Luis Warren will be taking her home. Sheridan and Warren dance the tango as Luis watches in disappointment. After the dance, Sheridan and Warren lose Luis and take off in her car. The hitman follows. Gwen's mother, Rebecca Hotchkiss, arrives at the Crane mansion. Rebecca is aghast to learn Gwen made Ethan take Theresa to the prom. She blasts her daughter for being foolish enough to trust beautiful women around her fiancée. Gwen defends her actions by pointing out how much work Theresa has put into her wedding. Rebecca finally convinces her daughter Theresa is a threat, and Gwen high-tails it to the prom boat. Whitney and Chad continue to spy as Theresa prepares to tell Ethan of her love for him. Wh