After his revival in a hospital morgue, Jason fixes his vengeful attention on the Jarvis family and a group of hitherto carefree teenagers.
A group of kids discover one of the drums containing a rotting corpse and release the 2-4-5 Trioxin gas into the air, causing the dead to once again rise from the grave and seek out brains.
A foul-mouthed finishing school graduate mistakenly winds up on an ill-fated fishing boat, and faces the wrath of a crew that considers him bad luck.
