Blair wants to consummate her relationship with Marcus, but he would rather wait for a more special moment. Nate keeps postponing his dates with Vanessa, leaving her worried about the status of their relationship. Dan and Serena are ready to go public with their rekindled relationship despite not having fixed their issues. Blair has been devising a scheme against Vanessa and Nate for Catherine. Chuck has been suffering from erectile dysfunction due to his repressed feelings for Blair. Three preteen girls spot Dan and Serena and admonish them for getting back together. Vanessa and Nate are hanging out when Blair invites them to a party, but Nate can see through her uncharacteristic kindness. Jenny is fired from Eleanor Waldorf's company for criticizing her design. During Blair's party, Vanessa catches Nate with Catherine right before a city-wide blackout (that traps Serena and Dan in an elevator). Blair is determined to have sex with Marcus as soon as possible but Chuck thwarts her plans by pretending to be him in the dark. Serena and Dan agree to disagree and break up again. When the power comes back on Marcus catches them. Vanessa breaks up with Nate as she leaves, due to Catherine threatening to extort Nate's family. Eleanor rehires Jenny.