Overview: Troy tells Emily that Colin figured prominently in Joanna's death. Displaying her ring, Natalie describes to a stunned Viki how she and her new husband flew to Las Vegas and wed the night before. Meanwhile, out in the foyer, Michael drops a bombshell on Cris. Todd reminds Sam why he is a strong part of the blame for Blair's breakdown. Natalie admits to her mother that she married on the rebound but tells Viki to give Michael a fair chance. Revealing how Joanna tortured him with her endless flirtations, Troy admits to Emily how he tricked his wife into thinking she had made love to his twin then she ran out of the room, falling off the cliff they lived near to. As he moves his children back into the penthouse, Todd explains to Starr why things have changed for her mom. Cris encounters Natalie at the quarry. Blair is revealed to be completely sane and in residence at Todd's penthouse. Viki reels to see Natalies new husband grinning Mitch(who she thought is good man Michael) waiting for h