Sara flies to New York City and her friend Eve persuades her to give up the chase—they go to Serendipity. The $5 bill given to Eve in change has Jonathan's contact information. Jonathan gets as a gift from Halley on the night of the wedding rehearsal the same book that has Sara's phone number. He and his friend Dean fly to San Francisco to find her. Jonathan sees a woman at Sara's house who he thinks is Sara but is Sara's sister, Caroline, fooling around with her boyfriend. Jonathan believes that his chasing ghosts means that he does not want to marry Halley. On board a plane to return to San Francisco, Sara is buying a head set and finds that she has Eve's wallet with the $5 bill of Jonathan. She disembarks and makes her way to his apartment. His neighbors tell her about his wedding at the Waldorf Astoria where she discovers that his wedding has been called off.