A Field in England

A Field in England is a 2013 British historical psychological thriller film directed by Ben Wheatley. The film, shot in blackandwhite, is set during the mid17th century English Civil War. The film was released onJuly 2013 on multiple platforms simultaneously, including cinemas, home media and video on demand. It was also broadcast on Film4 on the day of its release.

After using Whitehead to locate the treasure, ONeill instructs Jacob and Friend to dig for it and he leaves Cutler to supervise. Jacob is under the influence of hallucinogens, and after several hours of digging he attacks Friend. Cutler attempts to intervene, and accidentally shoots Friend to death. Cutler is forced to finish digging by himself, whilst the others slip away unnoticed.Cutler discovers that the treasure is just a skull. He angrily berates ONeill who promptly kills him and then pursues Whitehead and Jacob, who scavenge Cutlers weapons and return to the army camp. As they are preparing for an attack, Friend appears alive and reveals their location to ONeill. ONeill shoots Jacob in the gut, but Jacob returns fire and ruins ONeills foot. Friend brandishes a pike and charges ONeill, but ONeill kills him with his last shot. Whitehead takes advantage of the situation to finally kill ONeill. ........

Source: Wikipedia