The Amateur, a 1981 American thriller film directed by Charles Jarrott, revolves around the story of Peter Devereaux, a highly skilled and introverted CIA decoder. The film is centered around Devereaux's quest for personal vengeance after facing a devastating blow that changes his life forever. In the midst of a busy London morning, Devereaux receives news that was to become his worst nightmare - his wife has fallen victim to a brutal terrorist attack. The loss is unbearable, and the lack of action from his supervisors only adds to his anguish. Faced with what he perceives as a lack of urgency and an inability to tackle the root cause of terrorism, Devereaux decides to take matters into his own hands, transcending beyond the boundaries of his job and CIA protocol. Through a combination of his exceptional decoding skills and charisma, Devereaux has built a niche for himself within the CIA. He is a highly skilled linguist, capable of deciphering complex codes and codescripts in languages ranging from Russian to Arabic. His superior performance at deciphering highly encrypted messages has garnered respect from his colleagues, making him an indispensable asset to the agency. However, his quiet demeanor and reclusive nature make it difficult for him to interact effectively with others, which further prompts his anger towards his supervisors. As Devereaux delves deeper into the world of terrorism, he uncovers a web of deceit and corruption within the CIA that he was previously unaware of. What began as a quest for vengeance gradually morphs into a pursuit of justice. He encounters a multitude of characters, including Frank Haines, his CIA contact, who initially is hesitant in supporting Devereaux's individual operation but eventually becomes an ally. As the stakes grow higher, Devereaux gets entangled in an intricate plot to expose the truth behind his wife's murder. Alongside his colleagues, he uses his exceptional decoding abilities to unravel a tangled network of clandestine meetings, subplots, and subterfuges orchestrated by the terrorist mastermind. In a labyrinthine world where one misstep can spell danger, Devereaux must deploy his understanding of human psychology and coding expertise to outmaneuver the terrorists, uncover key evidence, and prevent further bloodshed. With the stakes reaching an all-time high and the clock ticking, Devereaux is pushed to his limits, forcing him to confront the grey areas between loyalty, duty, and a personal vendetta. With the narrative building up to a cliffhanger, Devereaux's obsessive search for revenge confronts him with severe moral dilemmas, confronting him on his course of action and making audience wonder about his true nature and intentions.