On New Year’s Eve, 1930, the Doctor allows Charley keep her appointment in the Raffles Resort in Singapore. But his unease at what he’s carried out to time by saving her life soon turns into fear. Sebastian Grayle: immortal, obsessed, ruthless, provides come to the town to meet the Time Lord. To the physician, he’s an entire stranger, but to Grayle, the physician is an aged enemy. An enemy that, a long time ago, he finally been successful in killing. And this is his just possibility to gloat. The Doctor and Charley desperately search history for the secret of Grayle’s power and immortality. Their pursuit consumes four different time periods, the Hellfire Club, the courtroom of Edward the Confessor and enough time vortex itself. And when the monsters occur, the stakes are elevated from the life span of one Period Lord to the existence of most humanity.