When we last left off... ...Dan had broken up with Serena for lying and keeping things from him, you know, like the fact that she may have killed someone. In the first season finale, she found solace in Nate, who had inexplicably also ended his budding romance with Vanessa. What have they been doing for the summer? (Besides attending white-on-white formals.) Hopefully, no old feelings have been reignited -- we're looking at you, Nate.