The Night Agent will be embarking on its final mission - and a slew of dedicated fans are wondering why. The Netflix thriller, based on the Matthew Quirk novel of the same name, follows FBI agent Peter Sutherland (Gabriel Brasso) as he investigates a conspiracy that threatens the Oval Office. The first season of the series was an unequivocal success, becoming the third most-viewed show on the streamer after its debut. It went on to reach number one in 87 countries. Following the show's global success, The Night Agent was renewed for a second and third season.