Best friends Will and Gretchen, still haunted by otherworldly goings-on in their beach town on Long Island, are struggling to deal with their memories of the Sirens and the feeling that their struggles may not be over yet.
Strange things have been happening in Will's Long Island resort town, where his brother died last summer, but now their life-long summer friend, Gretchen, is in danger and the alluring, mysterious newcomer, Asia, may be involved.