Stardate N.G.   The U.S.S. Voyager rescues two crewmen from an abandoned, out of control Malon freighter that's about to unleash a theta radiation blast into the sector. Soon, Lieutenant Torres leads an away team to board the freighter and contain the poison - despite warnings from its crewman, Fesek and Pelk, about the Angel of Decay that wreaks havoc aboard the cargo ship.