This candid and compelling music documentary digs deep into the history of the Brooklyn-based rap group Junior M.A.F.I.A. (Junior Masters at Finding Intelligent Attitudes) and the 1997 shooting death of its leader, hip-hop impresario Notorious B.I.G. (a.k.a. Biggie Smalls). The film is fueled by a rich tapestry of interviews, performance footage and behind-the-scenes clips.