The Centipedes from Mars

If a chimpanzee drifted across the galaxy clutching a suitcase what would it contain?Is it ever a good idea to synthesise narcotics?Do things that glow in the dark glow in daylight?

Reluctant musician and reality freak Steven has been banished to a mediaeval farmhouse. It's cold, it's wet, and it's Candlemas. Somewhere in the darkness there's a rave and two buses with stove pipe chimneys.Steven's fairly confident he's sussed the first question, the second's multi-choice, his girlfriend will explain the third – but the licensed-to-kill clone on the train? There's a mystery…