As Only in Your Dreams opens, Blair is in London, unsuccessfully trying to get the attention of he boyfriend, Lord Marcus. When she fails to get him to notice her, she immediately leaves London, taking back with her a large bill. When her mother finds out, she is angry and makes Blair get a job. As Bailey Winter's new assistant, she gets to work onset of the new movie Breakfast at Fred's, where she comes across Serena. Serena is trying to make it as an actress, but soon finds that it is not her calling. But she comes through in the end. All the while, she was crushing on her hot co-star, Thad, until she finds out something about him that comes as a shock. Bailey Winter wants to keep Serena and Blair on to work for him over the summer at his house in the Hamptons, where his estate just happens to be next door to the Archibals. Nate, meanwhile, is in the Hamptons working for his coach after pulling a prank. Also, Dan and Vanessa are living together, and Dan hopes that this will bring the two closer together. When Dan meets Bree, everything changes.