America 1972. Bombs have been going off: in university labs, police headquarters, the U.S. Capital, the Pentagon. In California, shootouts with police are weekly. And the Black Liberation Army is about to join with the Weather Underground in a spree of hold-ups to fund the coming revolution. Then, in downtown Boston, the killing goes wholesale when a dynamite bomb shatters the Prudential Center. Martin Trepan of TASK has to find the bombers and wonders...