show in
To show or escort someone in(to some place), especially in a formal capacity. In this usage, a noun or pronoun can be used between "show" and "in." Mary, would you mind showing our guests in? Allow me to show in Mr. Jacobs here, and then I'll be right with you.
show in
v. To conduct some visitor into a room or building: The nurse came out to the waiting area and showed in the next patient. The butler showed the visitors in.