The agents of Operation Malta continue their investigation into the mysterious deaths, a string of seemingly unrelated events unfolds throughout Seattle. Meanwhile, Flight 191 CDC Secure carrying the unknown biological substance found at the crime scene goes down over the Clearwater National Forest. As the agents search for the killer, a string pet disappearances lead Sgt. Hudson and Agent Baker to a deadly confrontation.
Note: Please take a few moments to complete a quick poll *spoilers*  about the events that unfolded during this episode.  Thanks.