A strange discovery on a roundabout prompts Michael to convert his garden shed into an alchemist's laboratory and attempt to generate homunculi from the recipe in his dad's old journal. But his neighbour Clive is getting suspicious and starts to sniff around.
Kacey invites Michael to the pub, where they drink too much and he reveals to his workmates much more than he should about his mysterious experiment. Meanwhile, back at Marvin Gardens, something strange is starting to happen in the shed.
