Mark Allan Stewart

A woman was found shot to death by a mailman. Brenda's team investigates the death of a woman whose identity may have been stolen by a drug addict. Meanwhile, Brenda is involved in a different case: Pope's divorce.

The hunt for a marine's murderer puts Gibbs on a collision course with an old friend, FBI Agent Fornell.

While Platt (Amy Morton) tries to manage a chaotic desk area, a man struggling to get her attention takes a drastic action and demands that the unit find his missing daughter. At the same time, Commander Fischer (guest star Kevin J. O'Connor) informs Voight (Jason Beghe) that Bunny (guest star Markie Post) is bringing up new accusations on a case from his past. Lindsay (Sophia Bush) urges her mother to fix the situation. Meanwhile, Antonio (Jon Seda) is shocked to learn a secret Olinksy (Elias Koteas) has been keeping.

After surviving a hit against him, Voight (Jason Beghe) is convinced the culprit is a criminal he and Olinksy (Elias Koteas) once put away and is determined to catch him before he injures anyone else. At District, Atwater (LaRoyce Hawkins) accidentally spills information about Ruzek's (Patrick John Flueger) past which unsettles Burgess (Marina Squerciati) and Platt (Amy Morton) assigns Burgess and Roman (Brian Geraghty) a high society dognapping case.

Gonzales and Coulson must find a way to put their differences aside and work together against Hydra, even if it means teaming up with someone they don’t trust.