In the quiet of a dark house, Arthur Morrison, a dedicated horse trainer, is asleep upstairs. The window is open, allowing the pale curtain to flutter in the cool air, contributing to the stillness of the night. Morrison, who manages a significant number of racehorses in the stables below, is known for his light sleeping habits.

His sensitivity and awareness are highlighted by his keen hearing, which is noted to be sharper than that of several guard dogs. This detail conveys Morrison's connection to his profession and the level of responsibility he carries as a trainer, emphasizing his alertness even in rest.