Step Nine

Summary

Sherlock is called to London to revisit an old case, where he is forced to face his older brother, Mycroft. Although the siblings suffered a drastic falling-out a few years earlier, Mycroft allows Sherlock and Joan to stay in his new home, 221B Baker Street. With Joan in the middle, the brothers are forced to confront their very complicated history.

Guest stars

• Rhys Ifans as Mycroft Holmes
• Sean Pertwee as Gareth Lestrade
• Rufus Wright as Lawrence Pendry
• Tim McMullan as DCI Hopkins
• John Owens as Priest
• Christopher Jon Gombos as Nicholas Ginn