Marine researcher Jenny is haunted by endless repeating death nightmares, which precisely predict a catastrophic attack by a gigantic prehistoric megalodon on a top-tier luxury cruise. In her visions, she clearly witnesses her boyfriend Chad abandoning and betraying her for wealth and status, choosing to sacrifice her as shark bait to curry favor with the arrogant rich heiress Lexi. During a luxurious cruise party full of revelry and indulgence, every terrifying premonition turns into reality. Bloody whale corpses torn apart by a huge sea creature float on the surface, and abnormal turbulent undercurrents continuously emerge from the deep ocean, revealing latent fatal danger.
Sensing the impending disaster, Jenny steps forward repeatedly to issue emergency warnings, yet she becomes the target of cruel mockery, public humiliation and vicious slander from Lexi, Chad and their entourage. They dismiss her sincere crisis alerts as nervous fantasies and attention-grabbing tricks. Drunk on extravagant entertainment, all the passengers turn a blind eye to the looming death threat. In pursuit of sensational live-stream content and vanity fame, Lexi defies all dissuasion and forcibly activates high-intensity deep-sea searchlights, completely enraging the ferocious megalodon lurking in the dark abyss. The giant shark launches relentless violent impacts, tearing the thousand-ton cruise ship apart in an instant and turning the joyful feast into a horrific purgatory. In the chaos of escape
