The new German series 'Unfamiliar' presents a thrilling narrative that intertwines elements of espionage inspired by the historical context of Berlin alongside references to notable works like 'The Americans' and the literary style of John le Carré. The show centers around former agents Simon and Meret, who, despite seemingly leaving their dangerous careers to focus on family life and restaurant ownership, secretly operate a private rescue service.

The plot reveals the complexities of their dual lives as they navigate between normalcy and the shadows of their past roles in the German intelligence service BND. The couple's covert operations involve rescuing agents, hired assassins, and others involved in clandestine professions, highlighting the risks and moral dilemmas they encounter while attempting to maintain a semblance of a normal life.

'Unfamiliar' not only entertains with its grip on modern spy drama but also reflects on themes of identity, loyalty, and the consequences of living in the shadows, all set against the backdrop of a city historically known for its espionage activities. This series could appeal to audiences who are fans of intricate, character-driven stories that delve deep into the world of spies and the personal sacrifices that accompany such a life.