The Planet Express crew stumbles upon an ancient alien artifact, a device that amplifies sexual desire. As Fry, Leela, and Amy touch it, their inhibitions vanish, and they're consumed by an insatiable lust. Meanwhile, Bender, always horny, goes into overdrive, fucking everything that moves. The crew's interstellar adventure becomes a cosmic orgy, filled with taboo encounters and outrageous sexual encounters that are out of this world.