World peace hangs in the balance as master spy Twilight faces his toughest mission yet: playing house. To infiltrate an elite private school and get close to a reclusive politician, he must build a fake family from scratch. He unknowingly adopts Anya, a telepathic daughter, and marries Yor, a deadly assassin. With each hiding their true identity, the Forgers must navigate hilarious misunderstandings, school interviews, and dangerous plots while learning that being a family might be the most challenging mission of all.

Set in a Cold War-esque era between the rival nations of Westalis (West) and Ostania (East). The story primarily takes place in Berlint, the capital of Ostania. It is a world of shadows, where information is power and secret police roam the streets. The setting blends 1960s/70s European aesthetics with modern anxieties, featuring spy gadgets, political intrigue, and the prestigious Eden Academy, a microcosm of the social hierarchy.

Cold War-inspired fictional countries of Ostania and Westalis, primarily Berlint city