Having survived the farcical but utterly life-threatening events in Happy Death Day (2017), the feisty sorority sister, Tree Gelbman, finds herself in the same college dorm, thankful to be alive. However, this time, it's Carter's roommate, Ryan, who claims that he is reliving the same paradoxical day over and over again, as a mysterious paranoid killer in a single-toothed baby-faced mask with a big kitchen knife has made a habit of murdering him. Under those circumstances, a valiant but vain attempt to face the challenge, once more, will send Tree back to square one, trapped in an all too familiar and blood-drenched time loop. How many deaths separate Tree from a truly happy birthday?

A spy is brought back from cryogenic suspension after being almost killed in a plane crash returning from a mission to learn about a deadly new weapon being developed in the East. But the vital memories are being suppressed, so the authorities use ultra-advanced technologies to try to uncover the secret.

In the near future, drive-in theatres are turned into concentration camps for the undesirable and unemployed. The prisoners don't really care to escape because they are fed and they have a place to live which is, in most cases, probably better than the outside. Crabs and his girlfriend Carmen are put into the camp and all Crabs wants to do is escape.

In 35,000 BC, the tribe of the Dirty Hairs is in war against the tribe of the Clean Hairs for eight hundred years, trying to get their shampoo. The chief of the Dirty Hairs sends his daughter Guy disguised to the enemy tribe to get some shampoo for his tribe. When the healer of the Clean Hairs tribe surprisingly kills two cavemen of his tribe, their imbecile chief assigns Pierre with curled hair and Pierre blonde to investigate the murder and find the criminal.