*Depression-era Chicago: a city riding a tide of liquor and blood, ruled by guns, graft, and gangsters. At the top of the heap is Al Capone...and Capone's most feared hitman is Michael O'Sullivan, known to friends and enemies alike as the "Angel of Death." But when Sullivan's eight-year-old son witnesses a gangland execution, father and son find themselves facing off against the most merciless gangster of all time. *Source: Back Cover