The quirky spin on Conan Doyle's iconic sleuth pitches him as a "high-functioning sociopath" in modern-day London. Assisting him in his investigations: Afghanistan War vet John Watson, who's introduced to Holmes by a mutual acquaintance.
An apparently random group of strangers each enter into a Faustian pact with a mysterious figure, whom they believe possesses the power to grant any wish. In return, they must carry out an assigned task and update him on their progress.