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

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. Convinced that her husband is innocent, Sidney vows to conduct her own investigation, providing the FBI with only limited information and vowing to protect her daughter at all costs.