Supercapitalist

A group of top female agents from American, British, Chinese, Colombian, and German government agencies are drawn together to try and stop an organization from acquiring a deadly weapon to send the world into chaos.

After learning that the death of his wife was not an accident, a former CIA Station Chief is forced back into the espionage underworld, teaming up with an adversary to unravel a conspiracy that challenges everything he thought he knew.

Federal agent Alexandra Barnes believes that Catherine Petersen is a serial killer who marries rich men and then murders them for their money. But since Catherine is seemingly a master of disguise and has multiple identities, Alexandra can't prove anything with conventional detective work. With no other option, she goes undercover, pursuing the same man as Catherine, and hoping that Catherine will slip up and reveal her true identity.

A reporter, fired after refusing to give names to a 1951 House Un-American Activities Committee, takes a part-time job as companion to an old lady. While working she overhears a noisy argument in the neighboring house, being conducted largely in German and involving her HUAC prosecutor. She begins to investigate, enlisting the help of the FBI Agent initially detailed to surveil her.