Harry, an Englishman, who has seemingly become unhinged by a life of non-stop, round-the-world partying, travels to Jerusalem, believing that if he plays Karen Carpenter's "Calling Occupants of Interplanetary Craft" as the new millennium begins, he will ascend into the Heavens.
In London, world-famous author and marketing guru Starorzewski frets about the launch of soft drink brand Cloaca-Cola while hedonistically partying in Buckingham Palace.
As social order breaks down in the face of increasingly self-recursive media, he pulls off a major stunt - launching gallons of the filth-laden liquid on the citizens below, so that it crystallises into snow.
Zach and Trevor, an American couple, celebrate New Year's Eve in Amsterdam, culminating in drug-fuelled hallucinatory sex in a friend's home.
As they continue their travels, they pick up an old man who reveals the grim truth: that the world is forever caught in a loop, never leaving the second millennium, always resetting at the end of January 31.
He jettisons one of them - who is trying to kill him - at a dinosaur "party", causing an explosion that means extinction for the beasts, and the group finally end up in his friend's flat 20 years later.
With the end of the millennium approaching, they hatch a new scheme, to grind down the Rollright Stones, mix them with building materials and shave them into perfect cubes that will better withstand the vagaries of time.
One of those spurned admirers steals it and presents it to her arch-nemesis, club doyenne Venus Beuticia, who destroys it in front of the young woman at a New Year's Eve BDSM party.
Radiant Flower pretends that she only stole it to present it to Venus, gaining the upper hand, then resolves to just use some hedge clippings to fix her feng shui instead.
Stacey's dealing goes awry when he is mugged at knifepoint in the club and Nemo's mural is interrupted first by his friend Vanessa, who demands to tag along, and then by the police.
A party host explains in monologue his philosophy on life, pain and salvation, as it emerges he is a cult leader talking his followers into committing suicide as a way to escape the cycle of rebirth and death.
Multiple parallel worlds collide after a Discordian named Simon the Walking Glitch organises an anti-millennium party for people who don't like the Christian calendar.
Wyatt, an unhappily married special effects guru, is working through the New Year's Eve celebrations, musing on his inability to impregnate his wife and his addiction to Ativan when he snaps and decides he wants to flush not just the drug, but the whole of the 20th century, out of his system.