The team continues their investigation believing that the suspects intend to spread the bubonic plague. With Betty as their only hope of catching the criminals, the team races against time to stop them in their tracks.
The hunt for the Prince of Terror continues and Sue (Deanne Bray) is convinced that Betty (Lori Hallier) knew nothing of her husbands other life and tries to convince her to help them. The team struggles to find the terrorists before they can release the bubonic plague over DC.