Chicago February 14th 1929, seven well-dressed men are found riddled with bullets after being lined up against the wall and shot in the back. The question was, why would seven tough gangsters, turn around and face the wall for anyone? Two rival gangsters Al Capone and Bugs Moran were at the centre of the most notorious gangland slaying in mob history. A documentary-esque depiction of gang warfare. What happened before and after the bloody showdown and the lives affected and in some cases ended by it.