内容简介：
A Sense of Duty is based upon Shear's experiences as a military intelligence specialist in Vietnam. He, "Eric Szabo," is wooed into becoming a point man for the CIA to identify the workings of a drug smuggling ring which has ties to our military. Our hero barely escapes being murdered after he is betrayed by his corrupt CIA boss. Hiding out, Szabo plans his revenge and relentlessly carries out retribution.