Sherlock Holmes and the Adventure at the Abbey Grange: Case 2

After a murder, lies run wild at the Abbey Grange. Will the truth be told?
Scotland Yard calls in Holmes and Watson to investigate the murder of Sir Eustace Brackenstall.  But the evidence doesn't match up with the witnesses' stories. Holmes knows foul play is afoot. Will he find the killer? Or is this one mystery too difficult to solve?