For Twilight, a spy for a state at odds with its neighbor, Operation "Strix," which involves approaching a dangerous politician, is the absolute priority. But he also has to manage his fake family life with his wife Yor, a municipal employee by day and a killer by night, and his adoptive daughter Anya, whose gift for sensing people's thoughts is matched only by her academic difficulties. And the family doesn't stop there, as Yor has a younger brother who hides his activity as a secret police agent from everyone. When Yuri pays them an unexpected visit, Twilight must cope with the various lies he has maintained for weeks. A complicated mission, especially since Yor's brother is suspicious of this husband whose existence he was unaware of until now...