In the midst of World War II, a high-stakes game of cat and mouse unfolds as American agent Tim Hanley and Scotland Yard detective Reggie Oliver track down the enigmatic singer Carla Nillson, suspected of espionage. As they follow her from London to Lisbon and finally New York City, where she sings on the radio, they unravel a complex web of secrets and deception that lead them to a wealthy saboteur mastermind with ties to the world of high society. A thrilling tale of espionage, romance, and musical intrigue, "International Lady" is a gripping spy thriller that keeps its audience on the edge of their seats as it hurtles towards its unexpected conclusion.