The death of King Henry VIII throws his kingdom into chaos because of succession disputes. His weak son, Edward, is on his deathbed. Anxious to keep England true to the Reformation, a scheming minister John Dudley marries off his son, Guildford to Lady Jane Grey, whom he places on the throne after Edward dies. At first hostile to each other, Guildford and Jane fall in love, but they cannot withstand the course of power which will lead to their ultimate downfall.

When Dorset postman Clive Peacock is forced into early retirement, the years ahead look bleak. But on his last day in the job, in a moment of unexpected rebellion he makes a decision that will change his life. As he makes his final collection from the postbox in the small seaside town where he lives, he decides to deliver the letters himself, by hand, no matter the destination. Mounting his trusty bicycle, he sets off on what proves to be an odyssey of self-discovery. Pursued by the police and lionised by the media, Clive becomes both a fugitive and a reluctant hero.