Young Cedric Errol and his widowed mother live in genteel poverty in 1880s Brooklyn after the death of his father. Cedric's grandfather, the Earl of Dorincourt, has long ago disowned his son for marrying an American. But after the death of the Earl's remaining son, he decides to accept Cedric as his heir.

The story of Louis XIV of France, and his attempts to keep his identical twin brother Philippe imprisoned away from sight and knowledge of the public, and Philippe's rescue by the aging Musketeers, led by D'Artagnan.