S4, E1: Everyone's favorite forensic investigative team is back for the season premiere of Bones! Brennan and Booth travel from D.C. to London for Brennan to guest-lecture at Oxford University and for Booth to speak at Scotland Yard. They are asked by local officials to lend their expertise to a high-profile murder investigation involving a young British heiress and are paired up with their respective British counterparts, Dr. Ian Wexler (guest star Andrew Buchan) and Inspector Cate Pritchard (guest star Indira Varma). The duos venture through London to investigate the puzzling murder of the young and glamorous heiress, whose father is a wealthy American businessman. Meanwhile, back in D.C., the Jeffersonian team lends its expertise to the Brits' case.