Ashley Platz

Parker's delinquent past resurfaces when NCIS are called to Philadelphia to investigate the death of a Navy petty officer.

Adam is tackling an assignment aimed at tearing down organised crime on the island but the chlorine gas bait he uses to nab a kingpin is acquired by the wrong side; Adam has doubts about Jessie.

Monty joins the team for their first international mission together as they search for the killer of a woman murdered at a yoga retreat in Nepal.