A tsunami floods Malibu and unleashes a hunting pack of deep-water prehistoric goblin sharks, targeting a group of lifeguards trapped in their half-submerged station on stilts and a team of construction workers stranded in a flooded house.
When Emily, a librarian-to-be, is assigned to tutor Mateo, a struggling undergrad, in American Lit, they do not get along; but when the discussion turns from classics to confessions, they learn something that could change their lives forever.