Gibbs leads the investigation into a murder victim found in a taxi headed to NCIS headquarters; Jenny uncovers a secret about her past.
Nick and Hank investigate a Wesen healer with a very risky ability. Meanwhile, Juliette takes in a friend when domestic issues worsen and Hank makes a move on his physical therapist.
Team Scorpion are blackmailed into breaking into the United Nations to help with the assassination of an arms dealer; Sylvester tries to protect Megan's wishes.
Harm travels to Russia with Mac after uncovering evidence that his father is alive and living in Siberia.
The squad's temporary boss cares more about golf than solving crimes; Ortiz and Murphy suspect a man of stabbing his young Muslim bride to death; Bale recommends Sipowicz as new squad commander for the precinct.