Post-Fall, nearing the end of Sherlock's three-year "death". John has been dating Mary for the last few months, but he is still far from himself. The return of Sherlock changes John's life entirely, and the detective finds himself feeling things he thought long deleted.

“No. Say it. Did you miss me?” John felt his pulse throbbing in his brain. There was something heady about the idea of having power over Sherlock Holmes.

“With every second of every day.”