NCIS investigates Marine Cpl. Laney Alimonte after evidence suggests she murdered her neighbour while being treated for insomnia by a hypnotherapist.
Marshall panics when he realizes the baby is coming soon; Robin and Ted decide to come to terms with their relationship; Barney plans a road trip.
When Riggs visits his father-in-law in prison, an old secret about his deceased wife comes to light; Murtaugh tries to impress Capt. Avery; Trish and Leo Getz try to solve a murder on their own.
