Christine Horn

A member of the Firehouse 51 family remains in peril; Cruz lends a hand to Severide in the ongoing investigation.

Bonnie is suspicious when her brother returns from rehab and befriends Adam; Christy and Bonnie have a brush with the law when they take Ray's fancy car for a joy ride.

The team tracks an elusive international arms dealer who recently murdered an MI6 officer; Abby races Delilah to the hospital when her labor starts three weeks early.

NCIS investigates after two men are blown up by their own explosives while attempting to break into a military base; Callen wants to take the next step with Anna; Sam moves in with his father.

NCIS investigates the robbery of a high-end arts storage by going undercover as potential buyers on the black market, to find who is behind the stolen items.

The team is blamed for a terrorist bomb.