The two cities are London and Paris during the French Revolution. The remarkable likeness between Charles Darnay and Sydney Carton is a keynote of the story, as is their love for Lucie Manette--a love so strong that it gives Carton the courage to make his greatest sacrifice.
During one of his several adventurous voyages, an Englishman becomes the sole survivor of a shipwreck and lives for thirty years on a desert island before being rescued.
While going through the possessions of a deceased guest who owed them money, the mistress of the inn and her son find a treasure map that leads to a pirate fortune as well as great danger.