After a major misstep leaves Jordan and her host sister, Caroline trapped together overnight inside Daphne's, the world's largest department store the girls' fun has not-so-fun consequences, and Jordan's wish for excitement abroad turns into a lot more than she ever bargained for in Lost in London.

In Lost in Paris, Gwen is swept up in the city she has always wanted to see, and finds herself in a once-in-a-lifetime scavenger hunt. The prize? Tickets to a sold-out show featuring her all-time favorite band.

Lucy must help save her family pizzeria--using a decidedly unique method--and figure out who is trying to sabotage the family business in Lost in Rome.