A Battlefield for the Two of Us

Watch A Battlefield for the Two of Us (1994) online on VidJoy. A military trial is being held in a certain federal state in a corner of Europe. The defendant's name is Thierry Sinclair, and the charge is murder of his superior. Why did he, a well-behaved young officer from a prestigious family and a soldier who was loyal to his duties, commit the crime of murdering his superior?