A suburbia where everything's perfect to a definitely creepy extent because the people are secretly robots? Somebody already wrote a novel about that [1] and it was made into a movie multiple times [2] [3].

[1] https://en.wikipedia.org/wiki/The_Stepford_Wives

[2] https://en.wikipedia.org/wiki/The_Stepford_Wives_(1975_film)

[3] https://en.wikipedia.org/wiki/The_Stepford_Wives_(2004_film)