Defoe's cooperation as an intelligence agent for the Tories. In exchange for such cooperation with the rival political side, Harley paid some of Defoe's outstanding debts, improving his financial situation considerably.

Within a week of his release from prison, Defoe witnessed the Great Storm of 1703, which raged through the night of 26/27 November. It caused severe damage to London and Bristol, uprooted millions of trees, and killed more than 8,000 people,