Anthony Gillingham is the ultimate dilettante. He uses his considerable allowance as a safety net while exploring all aspects of life in London, taking on many jobs in the quest for new experiences. When he decides to drop in on a friend staying at The Red House, he arrives just in time to find the corpse of the owner's wastrel brother from Australia, Robert. The owner, Mark Ablett, has also vanished from the scene, with his cousin Matthew Cayley left to manage the house…