The sequence of moves for White is Nd5, Bb4, and then Bb5, capturing the queen by a fork. The pattern should look something like the below position. I remember that I've seen this trap in some opening, but I can not remember which is it. It is probably some Sicilian sideline.
[FEN "rnb1kbnr/pp2pppp/2q5/1B1N4/1B6/8/PPPPPPPP/R2QK1NR w KQkq - 0 1"]