A private nurse uncovers strange goings-on in the home where she is working.

In the early 1900s, Miranda attends a girls boarding school in Australia. One Valentine's Day, the school's typically strict headmistress treats the girls to a picnic field trip to an unusual but scenic volcanic formation called Hanging Rock. Despite rules against it, Miranda and several other girls venture off. It's not until the end of the day that the faculty realizes the girls and one of the teachers have disappeared mysteriously.

Cynthia Wood, a 17-year-old, light-skinned black girl, tries to pass off as white after getting hired of a wealthy movie magnate Mr. Langley who has family problems with his spoiled wife and his promiscuous teenage daughter and son.