A legendary former Israeli intelligence officer who has retired to a quiet life in Cornwall, England, where he works as a world-class art restorer. Despite his desire for peace, his sharp analytical mind and operational skills remain fully intact. He is drawn back into the world of espionage when a billionaire hires him to investigate a high-profile disappearance.

A glamorous, Cambridge-educated socialite married to a British billionaire. Known for meticulously curating her public image on social media, she projects a life of wealth and carefree luxury. Her sudden disappearance during a trip to Spain sparks a massive investigation and an international media frenzy.

A highly successful billionaire real estate mogul known for his vast, opaque business empire and lavish lifestyle. Accustomed to using his immense wealth to control his environment and shield his private affairs from scrutiny. Following his wife's disappearance, he uses his resources to hire the best possible private investigator.

A pragmatic and highly skilled former SAS commando who currently serves as an officer in Britain's Secret Intelligence Service. Known for his sardonic wit and lethal competence, he bridges the gap between official government channels and off-the-books covert operations.

A brilliant Danish hacker and professional thief with a compulsion for stealing high-value objects. She operates outside conventional legal boundaries, making her indispensable for operations requiring untraceable digital infiltration and cyber-espionage.

A grounded, by-the-book Detective Inspector with the Devon and Cornwall Police. While accustomed to domestic criminal cases, his strong moral compass and loyalty draw him into a much larger and more dangerous international investigation.

The politically astute Director-General of Britain's Secret Intelligence Service. He is a master of high-level statecraft, focused on protecting the United Kingdom from foreign threats through strategic and sometimes unorthodox counterintelligence operations.

A senior project coordinator for an international relief organization. She is the only member of her Cambridge friend group who has maintained her youthful idealism, leading to friction with her increasingly wealthy and cynical peers.

Gabriel's intelligent and perceptive wife, who also manages their art restoration firm. She serves as his anchor to a peaceful, civilian life and is deeply wary of anything that might pull him back into the dangerous world of intelligence.

A former CIA operative who remains deeply connected to the intelligence and art worlds. Sharp and observant, she uses her extensive network and analytical skills to assist her allies in tracking down elusive threats.

A sanctioned Russian oligarch with deep, shadowy connections to the Kremlin and Russian military intelligence. He operates from the shadows, using his immense wealth to exert control over Western business interests.

A Swiss personal banker based in Zurich who manages high-net-worth accounts. He maintains ties to his old university circle while operating within the discreet and secretive world of international finance.

A successful lawyer and part of a close-knit group of Cambridge alumni. She enjoys the luxurious lifestyle afforded by her wealthy friends but remains a loyal member of their inner circle.

A banker who joins her friends for their annual summer holiday. She has moved away from the idealistic vows of her youth in favor of a lucrative career in the financial sector.

A highly trained illegal operative for Russia's military intelligence service. Operating under deep cover, he specializes in sabotage and assassination, embodying the severe threat of modern asymmetric warfare.

A colonel in Russia's military intelligence service, skilled at embedding himself deeply within Western targets. He is a patient and lethal operative tasked with monitoring high-value assets and executing state-sponsored violence.

A deep-cover intelligence illegal embedded in British academia. She serves as a critical asset for the Russian military, ready to be activated for major sabotage operations on foreign soil.

A prominent London art dealer who operates within the highest echelons of the city's cultural scene. To save a major exhibition, he organizes a lavish fundraiser and secures Gabriel's participation as the star attraction. He is well-connected and highly protective of his professional reputation.