The Professionals is set against a backdrop of international espionage and corporate sabotage in the 21st century's privately-funded space race and follows hardened former counterintelligence officer Captain Vincent Corbo. After their advanced medical satellite explodes on deployment, billionaire futurist Peter Swann and his fiancée, medical visionary Dr. Graciela "Grace" Davila, turn to Corbo. Corbo assembles a team of experienced professionals to investigate the incident. They learn that any combination of Swann's business rivals, corrupt governments officials, and a shadowy crime syndicate could be behind the attack and represent a continued threat.