13 at the Olivier Theatre, London The Transformative Power of Belief 13 is the latest drama from the pen of Olivier award-winning playwright Mike Bartlett. Set in an alternate London in the present day, people wake up from the same nightmare, including the Prime Minister who is ready to declare war in support of an American-led invasion of Iran. At the same moment, a charismatic young man named John returns home after several years away. He begins to preach a gospel of peace & anti-materialism, drawing followers from across the disaffected city. As omens & visions collide with reality, the demand for a new future gathers momentum.