Black Mass Overview

In South Boston in the 1970s, FBI Agent John Connolly (Joel Edgerton) convinces Irish mobster Whitey Bulger (Johnny Depp) to work with the FBI for a common goal: eliminate the Italian mob.

The brother of state senator William M. Bulger, Whitey agrees, but the unlikely partnership takes a nasty turn and Whitey goes on to become one of the most ruthless and powerful mobsters in Boston.

Based on a true story.