Given immense power thanks to a peculiar machine, Elias and Axel set out on a swap-filled family fucking journey, where everyone will reveal their deepest and most perverted fantasies. There is something strange about these two stepfamilies, and it is all rooted in deep, primitive lust for one another. But not everything is as it seems, and it becomes unclear what is real. An all-out swapping orgy is their only chance of escaping this vulgar dimension. Will their orgasms save them, or will they be forever trapped within the walls of this Swapception?