Jan Letterman (Barbara Wilkin), the personal assistant to a wealthy, over-the-hill actress named Laura Winters (Rita Morely), hires pilot Grant Murdoch (Byron Sanders) to fly her from New York (state) to Rhode Island, but a storm forces them to land on a small island. They soon meet Prof. Peter Bartell (Martin Kosleck) a marine biologist with a German accent who is living in seclusion on the isle.