eight o'clock
When the messenger had been stationed to keep intruders away , the Captain said : `` You will leave tonight . Take the Wartrace road out of Shelbyville and walk about a mile and a quarter . When you come to a fork in the road go into the trees and wait until you 're picked up . You should be there at eight o'clock . You understand ? '' `` Yes , sir . '' `` Repeat my instructions . ''