The famous Borgia Pearl, a valuable gem with a history of bringing murder and misfortune to its owner since the days of the Borgias, is brought to London, thanks in part to Sherlock Holmes. But before long the jewel is stolen, due to an error on Holmes' part, and shortly thereafter, a series of horrible murders begin, the murderer leaving his victims with their spines snapped and surrounded by a mass of smashed china.

Beautiful young Virginian Jane steps down from her proper aristocratic upbringing when she marries down-to-earth surveyor Matt Howard. Matt joins the Colonial forces in their fight for freedom against England. Matt will meet Jane's father in the battlefield.

A reporter covering a murder trial guesses that the murderer of a ruthless businessman is her ex-fiancé and persuades him to confess and clear the innocent man on trial.