After a passenger plane crashes into the Potomac River, suspicions focus on the pilot; Professor Mercer and the team are asked to investigate the pilot's personal motivations and piece together clues in the hopes of revealing the truth.
While Walter takes a trip to the alternate universe to assist in an investigation that has ties to both worlds, David Robert Jones reveals his next target.
A member of the British royal family becomes an assassination target after she relinquishes the throne for the love of a commoner.
A friend of Kennex working undercover in a drug investigation finds his cover blown, and Kennex and Dorian turn to Rudy Lorn for help.