1967: The Revolution has just started. All you need is love — but the ability to bend space and time helps. An entity called the Revolution Man is writing his graffiti across the surface of the Earth, using a drug called Om-Tsor. Trouble is, none of this was supposed to happen. The Doctor knows that the Revolution Man isn't for real, that he's part of the problem, not part of the solution. But how is he going to convince the flower children? How is he going to convince Sam? And he doesn't dare tell Fitz...