Siblings Emma, Ravi, and Zuri Ross leave their extravagant New York City penthouse once again to return to Camp Kikiwaka, a rustic summer camp in Maine where their parents met as teenagers.

In 1976 San Francisco, 10-year-old Ivy is a girl who must learn the balance between her two cultural identities — being Chinese, but still wishing to be just like her all-American friend, Julie.