S1, E2: Drama series based on the lives and friendship of Harry Houdini and Arthur Conan Doyle. As prominent suffragette Lydia Belworth greets her supporters, a 12-year-old boy approaches with a bouquet of flowers, then draws a pistol and shoots her. When police arrest him, the boy claims that this was revenge for murder - his own. Houdini dismisses the boy as a nameless street urchin, but as he opens up about his past life, Doyle feels the boy may indeed have been reincarnated. If the team want to discover the truth, they must solve the mysterious decades-old killing.