Sherlock

12. John does websearch on Sherlock.

13. We meet Mrs. Hudson; Sherlock’s housekeeper. He helped her husband become executed.

14. Mrs Hudson assumes John and Sherlock are a couple.

15. John admits to Sherlock he’s looked him up. Sherlock analyses John some more.

16. Sherlock is approached by Lestrade as there has been a fifth murder.

17. John is left with Mrs Hudson as Sherlock bounds out the door to investigate.

18. Sherlock knows he can use John to his advantage as he has a medical military background.

19. John accompanies Sherlock at the investigation.

25. Sherlock and watson get out of the cab they arrive at the crime scene

26. we get introduced to Sally and Sherlock repour with the police