A spy called Twilight has an undercover mission involving a family. He quickly marries a city hall worker, adopts a child, and even gets a dog for his new family. However, he doesn't know that this family has its own secrets: his wife is secretly an assassin, his daughter is a psychic who can read minds, and their dog comes from a lab with powers of foretelling the future. The four must work together to manage their lives as a family while trying to keep their true identities hidden.
Loid Forger, a skilled spy, embarks on a covert operation, disguising himself...