During Prohibition, Treasury agent Eliot Ness sets out to stop ruthless Chicago gangster Al Capone, and assembles a small, incorruptible team to help him.
In 1950s New York, Lionel, a private detective with Tourette syndrome, sets out to uncover the mystery behind his mentor and only friend Frank's murder. Scouring the jazz clubs and slums of Brooklyn, he soon uncovers a web of secrets.