About Elementary Season 2, Episode 1 : Step Nine

Holmes and Watson travel to London to help track down an old mentor and investigate an unsolved mystery. Meanwhile, Mycroft Holmes, Sherlock's estranged brother, reunites with Sherlock and reveals some secrets of his own. Guest Stars: Rhys Ifans, Sean Pertwee, Rufus Wright, Tim McMullan, John Owens, Christopher Jon Gombos,