Noted beauty and singer Harriet Gow has earned a position envied by every available women of the Restoration period: she is the King's favorite mistress. After seeing her perform, Christopher Redmayne is also captivated and the impression Harriet made is still lingering in his mind when he is summoned urgently by Charles II. Harriet has been kidnapped, and Redmayne, with the help of his friend Jonathan Bale - a Puritan constable - is engaged to resolve...