Often times in when alchemy is thought of, we think medieval times with wizards and sorcerers. What if such things existed in modern days such as today? What if the focus of alchemy is common knowledge is can be used for favorite drinks? What if you have a soda machine that can create soda with special properties? The varieties is endless, though good taste is limited. What kind of concoctions can you create?
An evil ruler got the idea of mixing a trampoline and a gallows together. As long as the one to be hanged bounces on the rubber trapdoor it won't open, but bouncing gets very tiring after a while.