Who is Sidney Archer from Total Control and what is their importance?

Sidney Archer is a determined and aggressive protagonist, Sidney Archer is a typical young professional, in fact, a lawyer for a large firm with primarily corporate clients. She is married to Jason, another professional, employed by Triton Global, a technology company Sidney's firm represents. She becomes embroiled in an out-of-control corporate competition for the acquisition of a third company, and the disappearance of her husband, who is suspected of industrial espionage and embezzlement.