This is the 3942nd most frequent Korean word.
외에는
"Except for" or "other than."
In this case, "외에는" signifies that the only activity available is watching movies.
영화 외에는 할 게 없네요.
Other than watching movies, there seems to be nothing else to do.
In this sentence, "외에는" is used to specify that the exception to a general statement is the mentioned book.
그 책 외에는 관심 있는 책이 없습니다.
Except for that book, there are no other books I am interested in.
Here, "외에는" is used to indicate that the only thing occurring or considered in the schedule is the meeting.