Hayden Coffin

A young girl in Monte Carlo is engaged to a nobleman, but is really in love with someone else. A jewel thief named "The Black Spider" has been robbing the wealthy of Monte Carlo, and as a joke the girl steals her aunt's jewels. Unfortunately, a detective finds out and suspects her of being the real "The Black Spider".

Charles, Joseph and Sir Benjamin are in love with Maria and Lady Sneerwell is in love with Charles.

A man abandons his wife, weds a wealthy woman, takes a mistress, steals an inheritance, and eventually murders his first wife, all while keeping these secrets hidden.