"John, I've... discovered things." "Good things, I hope?" Sherlock nodded. "When I discover things, I want to experiment..." John blinked. "You want to experiment on me." "On us, John. I want to experiment on us." Johnlock. Sequel to 'Let me Dance for You' and 'I Like to Watch You Dance'.

In the latter part of the 19th century, a peculiar solitary man from a small village and a doctor disfigured in a war meet, form an unusual friendship, change each other's lives forever and maybe fall a little in love in the process.