It's All Hallows' Eve and Bethany Summers has become a social outcast. Ousted by her friendship circle over a misunderstanding, she heads to the Great Lakes to drown her sorrows.

But when her kayak capsizes, she realizes this Halloween may be her last—until a monster rises from the depths to save her life. But the kraken isn't all good intentions ... and Bethany is about to find out just how twisted the desires of a monster can be.