Doogie struggles making a decision on how to care for a young patient.
An enemy power has launched a satellite containing a thermonuclear bomb and the IMF must destroy it. The control center on an island in the Adriatic Sea is surrounded by an impenetrable minefield designed by an American defector, Norris. Barney secretly sets off some of the mines - without an explanation, the facility security call in Norris, whom they haven't seen. Paris takes Norris' place and using plans that Jim stole earlier, shuts down part of the field, and Barney gets in to program the system to drop the satellite out of orbit. Unfortunately, on the mainland the real Norris kills his girlfriend, a government spy, and Paris-as-Norris is arrested for the murder!moreless
Solo goes undercover to investigate why an U.N.C.L.E. agent has apparently gone berserk and uncovers a THRUSH mind-control plot.