Well before she became the sorceress of legend a reckless, careless destroyer of men Cleopatra was suspect as a reckless, careless destroyer of wealth.
The plot is no more than a thread: Barnabas must revive the Collins fortune whilst fending off the attentions, both amorous and savage, of a sorceress named Angelique (Eva Green).
The drama's title character is a notorious figure from Greek mythology, a sorceress whose main claim to fame is the event that brings down the curtain on Cherubini's opera: She murders her own children.