Jimmy Reardon and 情報處Mary Spalding head their respective organizations, Mary as Director of the Organized Crime Unit, Jimmy the boss of his family's organized crime business. Unexpectedly, Mary successfully recruits Jimmy to act as her star individual in the OCU's underground intelligence network on organized crime. However, it's a two-way street as she needs to provide Jimmy with inside information on police knowledge of his businesses. Both Mary and Jimmy need to tread lightly in their relationship while they try and maintain a grip hold on their respective businesses.