Jonathan Tragger meets Sara Thomas by chance in the Christmas eve, in Bloomingdale's, both trying to buy the unique pair of black gloves available for sale. They decide to go to the cafeteria Serendipity and Jonathan asks for her name and phone. Sara decides to write it in a book, and his on a five dollars bill. She gives the bill to a newspaperman and she says that she would sell the book in a New York used books store. She states that if destiny wants them two together, Jonathan will get that book back.