Alien just wants to run a diner, all these spies, military, and experimentally-altered things keep coming in, and not paying.
I feel bad for this hard working extra terrestrial, they just want to serve people affordable food and coffee.
Interesting... chapters with a mystery are quite nice. I was thinking Orient Express thingamajig with all persons being the culprit and linked into a biomass/hivemind. Guess I was partly wrong.