Dash and his crew might have stumbled upon the source of the evil at Black Sand Beach when they stumbled into the abandoned and haunted lighthouse, but when Lily reveals that she found Dash's journal there, the news is anything but comforting. The book is full of Dash's reflections on his trip to Black Sand Beach the previous summer. Only Dash doesn't recognize the journal or have any memory of being there. As the friends read the entries aloud, through...

Andy's stuck in the Darkness, but he's not alone. Harry, aka Dash from the previous summer, is there, too, showing Andy more terrors in the world without light. Meanwhile, Dash, Lily, and Eleanor are desperately trying to figure out how to save Andy. They get help from an unexpected source--Eleanor and Andy's odd and silent father. Frederick leads the kids into the horrific woods of Black Sand Beach, where they must battle the Not Cow monsters. But...