Shaun Murphy, a young surgeon with autism and savant syndrome, relocates from a quiet country life to join a prestigious hospital's surgical unit. Unable to personally connect with those around him, Shaun uses his extraordinary medical gifts to save lives and challenge the skepticism of his colleagues.

The story of Hugh Knight, a rising heart surgeon who is gifted, charming and infallible. He is a hedonist who, due to his sheer talent, believes he can live outside the rules. His "work hard, play harder" philosophy is about to come back and bite him.

Who is attacking a speeding bullet train on the edges of a distant galaxy? Why are seismologists going missing from 21st century Earth? Who is defacing some of history's most iconic paintings? Why is a Dalek trying to make contact with the Doctor? And just what hold does the mesmeric Rasputin have over Tsar Nicholas in 1916 Russia? In her last adventure, The Thirteenth Doctor must fight for her very existence, against her deadliest enemies: the Daleks, the Cybermen and her arch-nemesis, the Master.