John Watson and Sherlock Holmes meets the Doctor, a Timelord. Sherlock seems intimidated by the way Doctor approches him. Everything he deduces seems to be wrong.

After the events of The Avengers, Loki is brought back to Asgard, only to be cast out by Odin Allfather to Midgard (Earth). He is left powerless, and with only one form of communication back to Asgard. He meets the enigmatic Lady Morgana of Camelot, and is introduced to an entirely new world full of knights, dragons, and the odd relationship between a soon-to-be king and a legendary warlock.