Vacations in L.A. tells the story of Hanna, a 17-year-old teenager. She has come to spend this vacation in Los Angeles with her grandparents and her little sister. There she only knows Chloe, her childhood friend, who will introduce her to his group of friends. Among them is Tyler, a mysterious boy who does not leave her indifferent. Between this friendly and sentimental meeting, her summer is likely to be very busy.