Sydney's trust in her father begins to fade. Meanwhile, Sydney and Vaughn may have been exposed to a deadly virus while in Taipei; Sloane haunted by Emily's death begins to unravel. Vaughn enlists Will to help research a case.

Alex Morris, Austin Tichenor, Cliff Olin, Daniel Faltus, Glenda Morgan Brown, Hope Allen, Ira Heiden, James Handy, John Koyama, John Patrick Clerkin, Kevin Sutherland, Mette Holt, Robert Martin Robinson, Stephen Markle, Tomothy De Haas