Marjorie, Wendell, and Eliza have become extremely close. Marjorie and Eliza share a secret about the presence of ghosts and keep Wendell company all the while. Ever since Marjorie fell out with the popular girls at school, she’s stayed fairly happy in their little trio. Wendell has started to become more curious about the circumstances of his death, though. It is up to Marjorie and Eliza to track down the Sea Witch of his past and find out the truth about how he drowned. Can Marjorie navigate this delicate investigation while also juggling her friendship with Eliza and a tenuous new group of friends without losing grasp of everything?