Black Diamond

In the crosshairs of two warring mobs

Michael Knight and Lex Devlin agree to defend a jockey accused of murdering a fellow jockey during a race at Boston''s Suffolk Downs. Michael''s expertise in the machinations of the horse racing game is expected to serve them well. But a personal attachment to the murdered jockey thrusts Michael and Lex into the midst of conflict between Boston''s Irish mafia ...