London, 1956. Newly arrived from Trinidad, Henry ‘Sir Galahad’ Oliver is impatient to start his new life in London. Carrying just pyjamas and a toothbrush, he bursts through Moses Aloetta’s door only to find Moses and his friends already soured on city life. Will the London fog dampen Galahad’s dreams? Or will these Lonely Londoners make a home in a city that sees them as a threat?