car wont start

i was driving and some how one of my spark plug wires came disconnected and i didnt know it, i went round a corner to stop an check what was wrong and the car cut out, i tried to start it a few times then when that failed i pushed it to the side of the road and looked under the hood and i saw the disconnected wire an reconnected it but it wouldnt start i have the EG8 civic with a D15B7 any help would be very much appreciated